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157213462 = 2723151749
BaseRepresentation
bin10010101111011…
…10001100010110
3101221211021022211
421113232030112
5310221312322
623333344034
73616202200
oct1127561426
9357737284
10157213462
118081988a
124479801a
1326756323
1416c45770
15dc06b77
hex95ee316

157213462 has 24 divisors (see below), whose sum is σ = 283176000. Its totient is φ = 65202480.

The previous prime is 157213411. The next prime is 157213489. The reversal of 157213462 is 264312751.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22837 + ... + 28912.

It is an arithmetic number, because the mean of its divisors is an integer number (11799000).

Almost surely, 2157213462 is an apocalyptic number.

157213462 is a deficient number, since it is larger than the sum of its proper divisors (125962538).

157213462 is a wasteful number, since it uses less digits than its factorization.

157213462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51796 (or 51789 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 157213462 is about 12538.4792538808. The cubic root of 157213462 is about 539.7134533688.

The spelling of 157213462 in words is "one hundred fifty-seven million, two hundred thirteen thousand, four hundred sixty-two".

Divisors: 1 2 7 14 31 49 62 98 217 434 1519 3038 51749 103498 362243 724486 1604219 2535701 3208438 5071402 11229533 22459066 78606731 157213462