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315806164 = 22550314347
BaseRepresentation
bin10010110100101…
…101000111010100
3211000020121121121
4102310231013110
51121321244124
651200453324
710553210452
oct2264550724
9730217547
10315806164
1115229a933
128991a244
135057336b
142dd299d2
151cad22e4
hex12d2d1d4

315806164 has 12 divisors (see below), whose sum is σ = 552799744. Its totient is φ = 157863384.

The previous prime is 315806131. The next prime is 315806167. The reversal of 315806164 is 461608513.

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315806167) 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, 14839 + ... + 29185.

Almost surely, 2315806164 is an apocalyptic number.

It is an amenable number.

315806164 is a deficient number, since it is larger than the sum of its proper divisors (236993580).

315806164 is a wasteful number, since it uses less digits than its factorization.

315806164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19854 (or 19852 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 315806164 is about 17770.9359348347. The cubic root of 315806164 is about 680.9891630675.

The spelling of 315806164 in words is "three hundred fifteen million, eight hundred six thousand, one hundred sixty-four".

Divisors: 1 2 4 5503 11006 14347 22012 28694 57388 78951541 157903082 315806164