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157892256 = 25321733169
BaseRepresentation
bin10010110100100…
…11111010100000
3102000002202110100
421122103322200
5310410023011
623400102400
73625030164
oct1132237240
9360082410
10157892256
1181142875
1244a64a00
1326933292
1416d80ca4
15dcdcd56
hex9693ea0

157892256 has 72 divisors (see below), whose sum is σ = 451744020. Its totient is φ = 52310016.

The previous prime is 157892237. The next prime is 157892279. The reversal of 157892256 is 652298751.

157892256 is a `hidden beast` number, since 1 + 578 + 9 + 22 + 56 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 131882256 + 26010000 = 11484^2 + 5100^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 48240 + ... + 51408.

Almost surely, 2157892256 is an apocalyptic number.

157892256 is a gapful number since it is divisible by the number (16) 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 157892256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225872010).

157892256 is an abundant number, since it is smaller than the sum of its proper divisors (293851764).

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

157892256 is a wasteful number, since it uses less digits than its factorization.

157892256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3358 (or 3347 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 157892256 is about 12565.5185328740. The cubic root of 157892256 is about 540.4891041860.

The spelling of 157892256 in words is "one hundred fifty-seven million, eight hundred ninety-two thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 173 288 346 519 692 1038 1384 1557 2076 2768 3114 3169 4152 5536 6228 6338 8304 9507 12456 12676 16608 19014 24912 25352 28521 38028 49824 50704 57042 76056 101408 114084 152112 228168 304224 456336 548237 912672 1096474 1644711 2192948 3289422 4385896 4934133 6578844 8771792 9868266 13157688 17543584 19736532 26315376 39473064 52630752 78946128 157892256