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630713188 = 22722525471
BaseRepresentation
bin100101100101111…
…110101101100100
31121221210112211201
4211211332231210
52242430310223
6142330212244
721425654650
oct4545765544
91557715751
10630713188
112a4026176
12157284084
13a0890391
145da9da60
153a587ead
hex2597eb64

630713188 has 12 divisors (see below), whose sum is σ = 1261426432. Its totient is φ = 270305640.

The previous prime is 630713183. The next prime is 630713203. The reversal of 630713188 is 881317036.

630713188 is an admirable number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (630713183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11262708 + ... + 11262763.

Almost surely, 2630713188 is an apocalyptic number.

It is an amenable number.

630713188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

630713188 is a wasteful number, since it uses less digits than its factorization.

630713188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22525482 (or 22525480 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 630713188 is about 25114.0038225688. The cubic root of 630713188 is about 857.5852524271.

The spelling of 630713188 in words is "six hundred thirty million, seven hundred thirteen thousand, one hundred eighty-eight".

Divisors: 1 2 4 7 14 28 22525471 45050942 90101884 157678297 315356594 630713188