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157942029 = 377521049
BaseRepresentation
bin10010110101000…
…00000100001101
3102000012021201210
421122200010031
5310413121104
623401125033
73625325250
oct1132400415
9360167653
10157942029
1181177203
1244a89779
132694cb2b
1416d95097
15dcec989
hex96a010d

157942029 has 8 divisors (see below), whose sum is σ = 240673600. Its totient is φ = 90252576.

The previous prime is 157942013. The next prime is 157942039. The reversal of 157942029 is 920249751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157942029 - 24 = 157942013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157942009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760504 + ... + 3760545.

It is an arithmetic number, because the mean of its divisors is an integer number (30084200).

Almost surely, 2157942029 is an apocalyptic number.

It is an amenable number.

157942029 is a deficient number, since it is larger than the sum of its proper divisors (82731571).

157942029 is an equidigital number, since it uses as much as digits as its factorization.

157942029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7521059.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 157942029 is about 12567.4989158543. The cubic root of 157942029 is about 540.5458917249.

The spelling of 157942029 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, twenty-nine".

Divisors: 1 3 7 21 7521049 22563147 52647343 157942029