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630326977 = 7292107071
BaseRepresentation
bin100101100100100…
…000011011000001
31121221001221001121
4211210200123001
52242330430402
6142314032241
721422455660
oct4544403301
91557057047
10630326977
112a3891a95
12157118681
13a0786657
145d9dcdd7
153a50d837
hex259206c1

630326977 has 12 divisors (see below), whose sum is σ = 746077696. Its totient is φ = 521645040.

The previous prime is 630326927. The next prime is 630327007. The reversal of 630326977 is 779623036.

It is a de Polignac number, because none of the positive numbers 2k-630326977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (630326927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47649 + ... + 59422.

Almost surely, 2630326977 is an apocalyptic number.

It is an amenable number.

630326977 is a deficient number, since it is larger than the sum of its proper divisors (115750719).

630326977 is a wasteful number, since it uses less digits than its factorization.

630326977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107136 (or 107107 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 630326977 is about 25106.3134888418. The cubic root of 630326977 is about 857.4101720624.

The spelling of 630326977 in words is "six hundred thirty million, three hundred twenty-six thousand, nine hundred seventy-seven".

Divisors: 1 7 29 203 841 5887 107071 749497 3105059 21735413 90046711 630326977