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631056998 = 211132206493
BaseRepresentation
bin100101100111010…
…010101001100110
31121222110000110102
4211213102221212
52243022310443
6142341424102
721431616215
oct4547225146
91558400412
10631056998
112a4240510
1215740b032
13a0980a10
145db4d07c
153a604cb8
hex259d2a66

631056998 has 16 divisors (see below), whose sum is σ = 1112072976. Its totient is φ = 264779040.

The previous prime is 631056997. The next prime is 631057033. The reversal of 631056998 is 899650136.

631056998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631056997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1102961 + ... + 1103532.

It is an arithmetic number, because the mean of its divisors is an integer number (69504561).

Almost surely, 2631056998 is an apocalyptic number.

631056998 is a deficient number, since it is larger than the sum of its proper divisors (481015978).

631056998 is a wasteful number, since it uses less digits than its factorization.

631056998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206519.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 631056998 is about 25120.8478758182. The cubic root of 631056998 is about 857.7410510969.

The spelling of 631056998 in words is "six hundred thirty-one million, fifty-six thousand, nine hundred ninety-eight".

Divisors: 1 2 11 13 22 26 143 286 2206493 4412986 24271423 28684409 48542846 57368818 315528499 631056998