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157211356 = 2253741563
BaseRepresentation
bin10010101111011…
…01101011011100
3101221211011102211
421113231223130
5310221230411
623333330204
73616163101
oct1127555334
9357734384
10157211356
1180818245
1244796964
1326755393
1416c44aa8
15dc06221
hex95edadc

157211356 has 12 divisors (see below), whose sum is σ = 280311192. Its totient is φ = 77122448.

The previous prime is 157211333. The next prime is 157211357. The reversal of 157211356 is 653112751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157211357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370570 + ... + 370993.

It is an arithmetic number, because the mean of its divisors is an integer number (23359266).

Almost surely, 2157211356 is an apocalyptic number.

It is an amenable number.

157211356 is a deficient number, since it is larger than the sum of its proper divisors (123099836).

157211356 is a wasteful number, since it uses less digits than its factorization.

157211356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741620 (or 741618 counting only the distinct ones).

The product of its digits is 6300, while the sum is 31.

The square root of 157211356 is about 12538.3952721231. The cubic root of 157211356 is about 539.7110433936.

The spelling of 157211356 in words is "one hundred fifty-seven million, two hundred eleven thousand, three hundred fifty-six".

Divisors: 1 2 4 53 106 212 741563 1483126 2966252 39302839 78605678 157211356