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157936430 = 2515793643
BaseRepresentation
bin10010110100111…
…10101100101110
3102000012000001102
421122132230232
5310412431210
623401043102
73625303031
oct1132365456
9360160042
10157936430
1181172a83
1244a86492
132694a412
1416d93018
15dceaea5
hex969eb2e

157936430 has 8 divisors (see below), whose sum is σ = 284285592. Its totient is φ = 63174568.

The previous prime is 157936421. The next prime is 157936453. The reversal of 157936430 is 34639751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1579364302 = 49887831842289800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7896812 + ... + 7896831.

It is an arithmetic number, because the mean of its divisors is an integer number (35535699).

Almost surely, 2157936430 is an apocalyptic number.

157936430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157936430 is a deficient number, since it is larger than the sum of its proper divisors (126349162).

157936430 is a wasteful number, since it uses less digits than its factorization.

157936430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793650.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 157936430 is about 12567.2761567493. The cubic root of 157936430 is about 540.5395042500.

The spelling of 157936430 in words is "one hundred fifty-seven million, nine hundred thirty-six thousand, four hundred thirty".

Divisors: 1 2 5 10 15793643 31587286 78968215 157936430