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157064 = 2329677
BaseRepresentation
bin100110010110001000
321222110012
4212112020
520011224
63211052
71222625
oct462610
9258405
10157064
11a8006
1276a88
135664b
144134c
153180e
hex26588

157064 has 16 divisors (see below), whose sum is σ = 305100. Its totient is φ = 75712.

The previous prime is 157061. The next prime is 157081. The reversal of 157064 is 460751.

157064 = 322 + 332 + ... + 792.

It can be written as a sum of positive squares in 2 ways, for example, as 136900 + 20164 = 370^2 + 142^2 .

It is not an unprimeable number, because it can be changed into a prime (157061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107 + ... + 570.

2157064 is an apocalyptic number.

It is an amenable number.

157064 is a deficient number, since it is larger than the sum of its proper divisors (148036).

157064 is a wasteful number, since it uses less digits than its factorization.

157064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 157064 is about 396.3130076089. The cubic root of 157064 is about 53.9542364906.

The spelling of 157064 in words is "one hundred fifty-seven thousand, sixty-four".

Divisors: 1 2 4 8 29 58 116 232 677 1354 2708 5416 19633 39266 78532 157064