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157339137 = 3181289759
BaseRepresentation
bin10010110000011…
…00111000000001
3101222001122201110
421120030320001
5310234323022
623340153533
73620234454
oct1130147001
9358048643
10157339137
11808a524a
12448388a9
132679b5a7
1416c7949b
15dc2e00c
hex960ce01

157339137 has 8 divisors (see below), whose sum is σ = 210945280. Its totient is φ = 104312880.

The previous prime is 157339103. The next prime is 157339187. The reversal of 157339137 is 731933751.

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

It is not a de Polignac number, because 157339137 - 212 = 157335041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157339095 and 157339104.

It is not an unprimeable number, because it can be changed into a prime (157339187) 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, 144337 + ... + 145422.

It is an arithmetic number, because the mean of its divisors is an integer number (26368160).

Almost surely, 2157339137 is an apocalyptic number.

It is an amenable number.

157339137 is a deficient number, since it is larger than the sum of its proper divisors (53606143).

157339137 is a wasteful number, since it uses less digits than its factorization.

157339137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289943.

The product of its digits is 59535, while the sum is 39.

The square root of 157339137 is about 12543.4898254035. The cubic root of 157339137 is about 539.8572290599.

The spelling of 157339137 in words is "one hundred fifty-seven million, three hundred thirty-nine thousand, one hundred thirty-seven".

Divisors: 1 3 181 543 289759 869277 52446379 157339137