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157072892 = 2239268223
BaseRepresentation
bin10010101110010…
…11110111111100
3101221120010111112
421113023313330
5310202313032
623330341152
73615045314
oct1127136774
9357503445
10157072892
1180733209
124472a7b8
1326707352
1416c0a444
15dbca1b2
hex95cbdfc

157072892 has 6 divisors (see below), whose sum is σ = 274877568. Its totient is φ = 78536444.

The previous prime is 157072891. The next prime is 157072901. The reversal of 157072892 is 298270751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157072891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19634108 + ... + 19634115.

It is an arithmetic number, because the mean of its divisors is an integer number (45812928).

Almost surely, 2157072892 is an apocalyptic number.

It is an amenable number.

157072892 is a deficient number, since it is larger than the sum of its proper divisors (117804676).

157072892 is a wasteful number, since it uses less digits than its factorization.

157072892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39268227 (or 39268225 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 157072892 is about 12532.8724560653. The cubic root of 157072892 is about 539.5525465729.

The spelling of 157072892 in words is "one hundred fifty-seven million, seventy-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 39268223 78536446 157072892