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157066451 = 17103271331
BaseRepresentation
bin10010101110010…
…10010011010011
3101221112210122222
421113022103103
5310202111301
623330251255
73615020453
oct1127122323
9357483588
10157066451
1180729393
1244726b2b
1326704439
1416c07d63
15dbc831b
hex95ca4d3

157066451 has 16 divisors (see below), whose sum is σ = 169049088. Its totient is φ = 145411200.

The previous prime is 157066447. The next prime is 157066463. The reversal of 157066451 is 154660751.

157066451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157066451 - 22 = 157066447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157066051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474356 + ... + 474686.

It is an arithmetic number, because the mean of its divisors is an integer number (10565568).

Almost surely, 2157066451 is an apocalyptic number.

157066451 is a deficient number, since it is larger than the sum of its proper divisors (11982637).

157066451 is a wasteful number, since it uses less digits than its factorization.

157066451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 157066451 is about 12532.6154891946. The cubic root of 157066451 is about 539.5451714292.

The spelling of 157066451 in words is "one hundred fifty-seven million, sixty-six thousand, four hundred fifty-one".

Divisors: 1 17 103 271 331 1751 4607 5627 27913 34093 89701 474521 579581 1524917 9239203 157066451