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630314568 = 233313231557
BaseRepresentation
bin100101100100011…
…101011001001000
31121221001022001000
4211210131121020
52242330031233
6142313455000
721422404542
oct4544353110
91557038030
10630314568
112a3883734
12157111460
13a0780b00
145d9d8692
153a509d13
hex2591d648

630314568 has 192 divisors, whose sum is σ = 1960588800. Its totient is φ = 187349760.

The previous prime is 630314549. The next prime is 630314617. The reversal of 630314568 is 865413036.

630314568 is a `hidden beast` number, since 63 + 0 + 31 + 4 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 1131346 + ... + 1131902.

It is an arithmetic number, because the mean of its divisors is an integer number (10211400).

Almost surely, 2630314568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630314568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (980294400).

630314568 is an abundant number, since it is smaller than the sum of its proper divisors (1330274232).

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

630314568 is a wasteful number, since it uses less digits than its factorization.

630314568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 630314568 is about 25106.0663585517. The cubic root of 630314568 is about 857.4045455262.

The spelling of 630314568 in words is "six hundred thirty million, three hundred fourteen thousand, five hundred sixty-eight".