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157314451 = 726434993
BaseRepresentation
bin10010110000001…
…10110110010011
3101222000101212011
421120012312103
5310233030301
623335443351
73620102500
oct1130066623
9358011764
10157314451
1180888748
1244826557
1326790298
1416c704a7
15dc26a51
hex9606d93

157314451 has 12 divisors (see below), whose sum is σ = 183319752. Its totient is φ = 134604288.

The previous prime is 157314449. The next prime is 157314533. The reversal of 157314451 is 154413751.

It is not a de Polignac number, because 157314451 - 21 = 157314449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157314401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29011 + ... + 34003.

It is an arithmetic number, because the mean of its divisors is an integer number (15276646).

Almost surely, 2157314451 is an apocalyptic number.

157314451 is a deficient number, since it is larger than the sum of its proper divisors (26005301).

157314451 is an equidigital number, since it uses as much as digits as its factorization.

157314451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5650 (or 5643 counting only the distinct ones).

The product of its digits is 8400, while the sum is 31.

The square root of 157314451 is about 12542.5057703794. The cubic root of 157314451 is about 539.8289936340.

The spelling of 157314451 in words is "one hundred fifty-seven million, three hundred fourteen thousand, four hundred fifty-one".

Divisors: 1 7 49 643 4501 4993 31507 34951 244657 3210499 22473493 157314451