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157365986 = 2428318371
BaseRepresentation
bin10010110000100…
…11011011100010
3101222010000112212
421120103123202
5310241202421
623340522122
73620405651
oct1130233342
9358100485
10157365986
1180913438
1244850342
13267aa88b
1416c85198
15dc36e5b
hex96136e2

157365986 has 8 divisors (see below), whose sum is σ = 236116944. Its totient is φ = 78660340.

The previous prime is 157365959. The next prime is 157366007. The reversal of 157365986 is 689563751.

It is a happy number.

157365986 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 620 + ... + 17751.

It is an arithmetic number, because the mean of its divisors is an integer number (29514618).

Almost surely, 2157365986 is an apocalyptic number.

157365986 is a deficient number, since it is larger than the sum of its proper divisors (78750958).

157365986 is a wasteful number, since it uses less digits than its factorization.

157365986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22656.

The product of its digits is 1360800, while the sum is 50.

The square root of 157365986 is about 12544.5600161983. The cubic root of 157365986 is about 539.8879351356.

The spelling of 157365986 in words is "one hundred fifty-seven million, three hundred sixty-five thousand, nine hundred eighty-six".

Divisors: 1 2 4283 8566 18371 36742 78682993 157365986