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157379028 = 22313114919
BaseRepresentation
bin10010110000101…
…10100111010100
3101222010200102220
421120112213110
5310242112103
623341102340
73620461662
oct1130264724
9358120386
10157379028
1180922214
12448579b0
13267b37b1
1416c89c32
15dc3ac53
hex96169d4

157379028 has 12 divisors (see below), whose sum is σ = 367217760. Its totient is φ = 52459672.

The previous prime is 157379017. The next prime is 157379029. The reversal of 157379028 is 820973751.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157379029) 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 3 ways as a sum of consecutive naturals, for example, 6557448 + ... + 6557471.

It is an arithmetic number, because the mean of its divisors is an integer number (30601480).

Almost surely, 2157379028 is an apocalyptic number.

It is an amenable number.

157379028 is an abundant number, since it is smaller than the sum of its proper divisors (209838732).

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

157379028 is a wasteful number, since it uses less digits than its factorization.

157379028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114926 (or 13114924 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 157379028 is about 12545.0798323486. The cubic root of 157379028 is about 539.9028494639.

It can be divided in two parts, 1573 and 79028, that added together give a triangular number (80601 = T401).

The spelling of 157379028 in words is "one hundred fifty-seven million, three hundred seventy-nine thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 13114919 26229838 39344757 52459676 78689514 157379028