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630034836 = 22352502903
BaseRepresentation
bin100101100011011…
…001000110010100
31121220112002022120
4211203121012110
52242242103321
6142303455540
721420131154
oct4543310624
91556462276
10630034836
112a3702552
12156bb75b0
13a06b36a2
145d964764
153a4a1ec6
hex258d9194

630034836 has 12 divisors (see below), whose sum is σ = 1470081312. Its totient is φ = 210011608.

The previous prime is 630034799. The next prime is 630034891. The reversal of 630034836 is 638430036.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 630034797 and 630034806.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26251440 + ... + 26251463.

It is an arithmetic number, because the mean of its divisors is an integer number (122506776).

Almost surely, 2630034836 is an apocalyptic number.

It is an amenable number.

630034836 is an abundant number, since it is smaller than the sum of its proper divisors (840046476).

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

630034836 is a wasteful number, since it uses less digits than its factorization.

630034836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52502910 (or 52502908 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 630034836 is about 25100.4947361601. The cubic root of 630034836 is about 857.2776887735.

The spelling of 630034836 in words is "six hundred thirty million, thirty-four thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 52502903 105005806 157508709 210011612 315017418 630034836