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157422692 = 22727571061
BaseRepresentation
bin10010110001000…
…01010001100100
3101222012220100002
421120201101210
5310300011232
623342040432
73621033200
oct1130412144
9358186302
10157422692
1180951aa9
1244879118
13267ca62b
1416c9bb00
15dc48b62
hex9621464

157422692 has 36 divisors (see below), whose sum is σ = 321193404. Its totient is φ = 67314240.

The previous prime is 157422689. The next prime is 157422709. The reversal of 157422692 is 296224751.

It can be written as a sum of positive squares in 2 ways, for example, as 100480576 + 56942116 = 10024^2 + 7546^2 .

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, 147842 + ... + 148902.

It is an arithmetic number, because the mean of its divisors is an integer number (8922039).

Almost surely, 2157422692 is an apocalyptic number.

It is an amenable number.

157422692 is an abundant number, since it is smaller than the sum of its proper divisors (163770712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157422692 is a wasteful number, since it uses less digits than its factorization.

157422692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1827 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 157422692 is about 12546.8199955208. The cubic root of 157422692 is about 539.9527759343.

The spelling of 157422692 in words is "one hundred fifty-seven million, four hundred twenty-two thousand, six hundred ninety-two".

Divisors: 1 2 4 7 14 28 49 98 196 757 1061 1514 2122 3028 4244 5299 7427 10598 14854 21196 29708 37093 51989 74186 103978 148372 207956 803177 1606354 3212708 5622239 11244478 22488956 39355673 78711346 157422692