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630543588 = 22352545299
BaseRepresentation
bin100101100101010…
…101010011100100
31121221110221012020
4211211111103210
52242404343323
6142322423140
721424350333
oct4545252344
91557427166
10630543588
112a3a1a804
12157201ab0
13a083111c
145da57d1a
153a552ae3
hex259554e4

630543588 has 12 divisors (see below), whose sum is σ = 1471268400. Its totient is φ = 210181192.

The previous prime is 630543569. The next prime is 630543593. The reversal of 630543588 is 885345036.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26272638 + ... + 26272661.

It is an arithmetic number, because the mean of its divisors is an integer number (122605700).

Almost surely, 2630543588 is an apocalyptic number.

It is an amenable number.

630543588 is an abundant number, since it is smaller than the sum of its proper divisors (840724812).

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

630543588 is a wasteful number, since it uses less digits than its factorization.

630543588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52545306 (or 52545304 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 630543588 is about 25110.6269933668. The cubic root of 630543588 is about 857.5083767566.

The spelling of 630543588 in words is "six hundred thirty million, five hundred forty-three thousand, five hundred eighty-eight".

Divisors: 1 2 3 4 6 12 52545299 105090598 157635897 210181196 315271794 630543588