Search a number
-
+
227623725 = 32527433361
BaseRepresentation
bin11011001000101…
…00001100101101
3120212022111001100
431210110030231
5431232424400
634330433313
75432525010
oct1544241455
9525274040
10227623725
1110754008a
1264292839
13382097c4
1422333377
1514eb4100
hexd91432d

227623725 has 72 divisors (see below), whose sum is σ = 476919872. Its totient is φ = 101606400.

The previous prime is 227623703. The next prime is 227623729. The reversal of 227623725 is 527326722.

227623725 is a `hidden beast` number, since 2 + 2 + 7 + 623 + 7 + 25 = 666.

It is not a de Polignac number, because 227623725 - 26 = 227623661 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 227623725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227623729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66045 + ... + 69405.

Almost surely, 2227623725 is an apocalyptic number.

227623725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

227623725 is an abundant number, since it is smaller than the sum of its proper divisors (249296147).

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

227623725 is a wasteful number, since it uses less digits than its factorization.

227623725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427 (or 3419 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 227623725 is about 15087.2040153237. The cubic root of 227623725 is about 610.5752210880.

The spelling of 227623725 in words is "two hundred twenty-seven million, six hundred twenty-three thousand, seven hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 43 45 63 75 105 129 175 215 225 301 315 387 525 645 903 1075 1505 1575 1935 2709 3225 3361 4515 7525 9675 10083 13545 16805 22575 23527 30249 50415 67725 70581 84025 117635 144523 151245 211743 252075 352905 433569 588175 722615 756225 1011661 1058715 1300707 1764525 2167845 3034983 3613075 5058305 5293575 6503535 9104949 10839225 15174915 25291525 32517675 45524745 75874575 227623725