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630575676 = 223217515991
BaseRepresentation
bin100101100101011…
…101001000111100
31121221112120012200
4211211131020330
52242411410201
6142323231500
721424543023
oct4545351074
91557476180
10630575676
112a3a41925
12157218590
13a0842903
145da658ba
153a55c386
hex2595d23c

630575676 has 18 divisors (see below), whose sum is σ = 1593955272. Its totient is φ = 210191880.

The previous prime is 630575669. The next prime is 630575677. The reversal of 630575676 is 676575036.

630575676 is a `hidden beast` number, since 6 + 3 + 0 + 575 + 6 + 76 = 666.

630575676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630575677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8757960 + ... + 8758031.

Almost surely, 2630575676 is an apocalyptic number.

It is an amenable number.

630575676 is an abundant number, since it is smaller than the sum of its proper divisors (963379596).

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

630575676 is a wasteful number, since it uses less digits than its factorization.

630575676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17516001 (or 17515996 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The square root of 630575676 is about 25111.2659179102. The cubic root of 630575676 is about 857.5229225457.

The spelling of 630575676 in words is "six hundred thirty million, five hundred seventy-five thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 17515991 35031982 52547973 70063964 105095946 157643919 210191892 315287838 630575676