Search a number
-
+
238080564225 = 34527215492
BaseRepresentation
bin1101110110111010110…
…1010001110000000001
3211202112020120210010000
43131232231101300001
512400042111023400
6301212300430213
723125600256100
oct3355655216001
9752466523100
10238080564225
1191a732a9789
123a184848369
13195b282450a
14b7477a6037
1562d66ae600
hex376eb51c01

238080564225 has 135 divisors (see below), whose sum is σ = 513340130457. Its totient is φ = 108766566720.

The previous prime is 238080564187. The next prime is 238080564269. The reversal of 238080564225 is 522465080832.

The square root of 238080564225 is 487935.

It is a perfect power (a square), and thus also a powerful number.

238080564225 is a `hidden beast` number, since 2 + 3 + 8 + 0 + 80 + 564 + 2 + 2 + 5 = 666.

238080564225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21676967361 + 216403596864 = 147231^2 + 465192^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is not a de Polignac number, because 238080564225 - 215 = 238080531457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 153698751 + ... + 153700299.

Almost surely, 2238080564225 is an apocalyptic number.

238080564225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238080564225 is the 487935-th square number.

238080564225 is the 243968-th centered octagonal number.

It is an amenable number.

238080564225 is an abundant number, since it is smaller than the sum of its proper divisors (275259566232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238080564225 is an frugal number, since it uses more digits than its factorization.

238080564225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 238080564225 in words is "two hundred thirty-eight billion, eighty million, five hundred sixty-four thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 49 63 75 81 105 135 147 175 189 225 245 315 405 441 525 567 675 735 945 1225 1323 1549 1575 2025 2205 2835 3675 3969 4647 4725 6615 7745 10843 11025 13941 14175 19845 23235 32529 33075 38725 41823 54215 69705 75901 97587 99225 116175 125469 162645 209115 227703 271075 292761 348525 379505 487935 627345 683109 813225 878283 1045575 1138515 1463805 1897525 2049327 2399401 2439675 3136725 3415545 4391415 5692575 6147981 7198203 7319025 10246635 11997005 16795807 17077725 21594609 21957075 30739905 35991015 50387421 51233175 59985025 64783827 83979035 107973045 117570649 151162263 153699525 179955075 194351481 251937105 323919135 352711947 419895175 453486789 539865225 587853245 755811315 971757405 1058135841 1259685525 1360460367 1619595675 1763559735 2267433945 2939266225 3174407523 3779056575 4858787025 5290679205 6802301835 8817798675 9523222569 11337169725 15872037615 26453396025 34011509175 47616112845 79360188075 238080564225