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157942098 = 23219461819
BaseRepresentation
bin10010110101000…
…00000101010010
3102000012021211100
421122200011102
5310413121343
623401125230
73625325406
oct1132400522
9360167740
10157942098
1181177266
1244a89816
132694cb82
1416d95106
15dcec9d3
hex96a0152

157942098 has 24 divisors (see below), whose sum is σ = 360219600. Its totient is φ = 49876344.

The previous prime is 157942063. The next prime is 157942123. The reversal of 157942098 is 890249751.

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, 230568 + ... + 231251.

It is an arithmetic number, because the mean of its divisors is an integer number (15009150).

Almost surely, 2157942098 is an apocalyptic number.

157942098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

157942098 is an abundant number, since it is smaller than the sum of its proper divisors (202277502).

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

157942098 is a wasteful number, since it uses less digits than its factorization.

157942098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461846 (or 461843 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 157942098 is about 12567.5016610303. The cubic root of 157942098 is about 540.5459704408.

The spelling of 157942098 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, ninety-eight".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 461819 923638 1385457 2770914 4156371 8312742 8774561 17549122 26323683 52647366 78971049 157942098