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151872768 = 2832292273
BaseRepresentation
bin10010000110101…
…10010100000000
3101120202221021100
421003112110000
5302334412033
623023054400
73522616515
oct1103262400
9346687240
10151872768
1178801293
1242a41400
1325606458
141625530c
15d4ee513
hex90d6500

151872768 has 108 divisors (see below), whose sum is σ = 453185460. Its totient is φ = 48857088.

The previous prime is 151872767. The next prime is 151872793. The reversal of 151872768 is 867278151.

It is a happy number.

151872768 is a `hidden beast` number, since 1 + 518 + 72 + 7 + 68 = 666.

151872768 is digitally balanced in base 3, 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 2 ways, for example, as 110502144 + 41370624 = 10512^2 + 6432^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151872767) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65680 + ... + 67952.

Almost surely, 2151872768 is an apocalyptic number.

151872768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151872768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226592730).

151872768 is an abundant number, since it is smaller than the sum of its proper divisors (301312692).

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

151872768 is a wasteful number, since it uses less digits than its factorization.

151872768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324 (or 2307 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 151872768 is about 12323.6669867373. Note that the first 3 decimals coincide. The cubic root of 151872768 is about 533.5313820028.

It can be divided in two parts, 15187 and 2768, that added together give a triangular number (17955 = T189).

The spelling of 151872768 in words is "one hundred fifty-one million, eight hundred seventy-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 29 32 36 48 58 64 72 87 96 116 128 144 174 192 232 256 261 288 348 384 464 522 576 696 768 928 1044 1152 1392 1856 2088 2273 2304 2784 3712 4176 4546 5568 6819 7424 8352 9092 11136 13638 16704 18184 20457 22272 27276 33408 36368 40914 54552 65917 66816 72736 81828 109104 131834 145472 163656 197751 218208 263668 290944 327312 395502 436416 527336 581888 593253 654624 791004 872832 1054672 1186506 1309248 1582008 1745664 2109344 2373012 2618496 3164016 4218688 4746024 5236992 6328032 8437376 9492048 12656064 16874752 18984096 25312128 37968192 50624256 75936384 151872768