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630164 = 22257613
BaseRepresentation
bin10011001110110010100
31012000102102
42121312110
5130131124
621301232
75233133
oct2316624
91160372
10630164
113a04a7
12264818
13190aa2
1412591a
15c6aae
hex99d94

630164 has 12 divisors (see below), whose sum is σ = 1108884. Its totient is φ = 313344.

The previous prime is 630163. The next prime is 630167. The reversal of 630164 is 461036.

630164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 336400 = 542^2 + 580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630163) 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, 722 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (92407).

2630164 is an apocalyptic number.

It is an amenable number.

630164 is a deficient number, since it is larger than the sum of its proper divisors (478720).

630164 is a wasteful number, since it uses less digits than its factorization.

630164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 630164 is about 793.8286968862. The cubic root of 630164 is about 85.7336268523.

The spelling of 630164 in words is "six hundred thirty thousand, one hundred sixty-four".

Divisors: 1 2 4 257 514 613 1028 1226 2452 157541 315082 630164