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157144408 = 2319643051
BaseRepresentation
bin10010101110111…
…01010101011000
3101221200202121021
421113131111120
5310212110113
623332052224
73615463651
oct1127352530
9357622537
10157144408
1180781a13
1244764074
1326730a75
1416c28528
15dbe148d
hex95dd558

157144408 has 8 divisors (see below), whose sum is σ = 294645780. Its totient is φ = 78572200.

The previous prime is 157144387. The next prime is 157144451. The reversal of 157144408 is 804441751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9821518 + ... + 9821533.

Almost surely, 2157144408 is an apocalyptic number.

It is an amenable number.

157144408 is a deficient number, since it is larger than the sum of its proper divisors (137501372).

157144408 is a wasteful number, since it uses less digits than its factorization.

157144408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643057 (or 19643053 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 157144408 is about 12535.7252682085. The cubic root of 157144408 is about 539.6344210553.

The spelling of 157144408 in words is "one hundred fifty-seven million, one hundred forty-four thousand, four hundred eight".

Divisors: 1 2 4 8 19643051 39286102 78572204 157144408