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631338088 = 23103766187
BaseRepresentation
bin100101101000010…
…111010001101000
31121222222022001011
4211220113101220
52243110304323
6142351433304
721434166553
oct4550272150
91558868034
10631338088
112a4412717
12157525834
13a0a4b944
145dbc369a
153a65d20d
hex25a17468

631338088 has 16 divisors (see below), whose sum is σ = 1195253280. Its totient is φ = 312603888.

The previous prime is 631338073. The next prime is 631338121. The reversal of 631338088 is 880833136.

It is a self number, because there is not a number n which added to its sum of digits gives 631338088.

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, 382270 + ... + 383917.

It is an arithmetic number, because the mean of its divisors is an integer number (74703330).

Almost surely, 2631338088 is an apocalyptic number.

It is an amenable number.

631338088 is a deficient number, since it is larger than the sum of its proper divisors (563915192).

631338088 is a wasteful number, since it uses less digits than its factorization.

631338088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766296 (or 766292 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 631338088 is about 25126.4420083704. The cubic root of 631338088 is about 857.8683859461.

The spelling of 631338088 in words is "six hundred thirty-one million, three hundred thirty-eight thousand, eighty-eight".

Divisors: 1 2 4 8 103 206 412 824 766187 1532374 3064748 6129496 78917261 157834522 315669044 631338088