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157324061 = 1097143413
BaseRepresentation
bin10010110000010…
…01001100011101
3101222000220001002
421120021030131
5310233332221
623340000045
73620142506
oct1130111435
9358026032
10157324061
1180894994
1244830025
132679477b
1416c73bad
15dc2980b
hex960931d

157324061 has 4 divisors (see below), whose sum is σ = 157468572. Its totient is φ = 157179552.

The previous prime is 157324049. The next prime is 157324067. The reversal of 157324061 is 160423751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112232836 + 45091225 = 10594^2 + 6715^2 .

It is a cyclic number.

It is not a de Polignac number, because 157324061 - 210 = 157323037 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 (157324067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70610 + ... + 72803.

It is an arithmetic number, because the mean of its divisors is an integer number (39367143).

Almost surely, 2157324061 is an apocalyptic number.

It is an amenable number.

157324061 is a deficient number, since it is larger than the sum of its proper divisors (144511).

157324061 is a wasteful number, since it uses less digits than its factorization.

157324061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144510.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 157324061 is about 12542.8888618213. Note that the first 4 decimals coincide. The cubic root of 157324061 is about 539.8399857393.

The spelling of 157324061 in words is "one hundred fifty-seven million, three hundred twenty-four thousand, sixty-one".

Divisors: 1 1097 143413 157324061