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157653136 = 24432732
BaseRepresentation
bin10010110010110…
…01100010010000
3101222122121110001
421121121202100
5310324400021
623351015344
73623013064
oct1131314220
9358577401
10157653136
1180a9a153
124496a554
132687b4a4
1416d1baa4
15dc92091
hex9659890

157653136 has 45 divisors (see below), whose sum is σ = 317064249. Its totient is φ = 75938688.

The previous prime is 157653113. The next prime is 157653143. The reversal of 157653136 is 631356751.

The square root of 157653136 is 12556.

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

It can be written as a sum of positive squares in only one way, i.e., 89491600 + 68161536 = 9460^2 + 8256^2 .

It is a super-2 number, since 2×1576531362 = 49709022581268992, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157653095 and 157653104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2159596 + ... + 2159668.

Almost surely, 2157653136 is an apocalyptic number.

157653136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

157653136 is the 12556-th square number.

It is an amenable number.

157653136 is an abundant number, since it is smaller than the sum of its proper divisors (159411113).

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

157653136 is an frugal number, since it uses more digits than its factorization.

157653136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 118 counting only the distinct ones).

The product of its digits is 56700, while the sum is 37.

The cubic root of 157653136 is about 540.2161183406.

The spelling of 157653136 in words is "one hundred fifty-seven million, six hundred fifty-three thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 43 73 86 146 172 292 344 584 688 1168 1849 3139 3698 5329 6278 7396 10658 12556 14792 21316 25112 29584 42632 50224 85264 134977 229147 269954 458294 539908 916588 1079816 1833176 2159632 3666352 9853321 19706642 39413284 78826568 157653136