Search a number
-
+
630495564 = 223127413711
BaseRepresentation
bin100101100101001…
…001100101001100
31121221101111022120
4211211021211030
52242401324224
6142321412540
721424060326
oct4545114514
91557344276
10630495564
112a3997716
1215719a150
13a08152ca
145da44616
153a543779
hex2594994c

630495564 has 24 divisors (see below), whose sum is σ = 1482743808. Its totient is φ = 208509840.

The previous prime is 630495557. The next prime is 630495589. The reversal of 630495564 is 465594036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205332 + ... + 208379.

It is an arithmetic number, because the mean of its divisors is an integer number (61780992).

Almost surely, 2630495564 is an apocalyptic number.

It is an amenable number.

630495564 is an abundant number, since it is smaller than the sum of its proper divisors (852248244).

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

630495564 is a wasteful number, since it uses less digits than its factorization.

630495564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413845 (or 413843 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The square root of 630495564 is about 25109.6707266344. The cubic root of 630495564 is about 857.4866061085.

The spelling of 630495564 in words is "six hundred thirty million, four hundred ninety-five thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 12 127 254 381 508 762 1524 413711 827422 1241133 1654844 2482266 4964532 52541297 105082594 157623891 210165188 315247782 630495564