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634044984 = 23331852211
BaseRepresentation
bin100101110010101…
…100001000111000
31122012001211012120
4211302230020320
52244303414414
6142525441240
721466202436
oct4562541070
91565054176
10634044984
112a59a1421
12158410220
13a1488a61
14602c9d56
153a9e52a9
hex25cac238

634044984 has 32 divisors (see below), whose sum is σ = 1636247040. Its totient is φ = 204530400.

The previous prime is 634044949. The next prime is 634044997. The reversal of 634044984 is 489440436.

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 7 ways as a sum of consecutive naturals, for example, 425362 + ... + 426849.

It is an arithmetic number, because the mean of its divisors is an integer number (51132720).

Almost surely, 2634044984 is an apocalyptic number.

It is an amenable number.

634044984 is an abundant number, since it is smaller than the sum of its proper divisors (1002202056).

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

634044984 is a wasteful number, since it uses less digits than its factorization.

634044984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852251 (or 852247 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 634044984 is about 25180.2498796180. The cubic root of 634044984 is about 859.0926901307.

The spelling of 634044984 in words is "six hundred thirty-four million, forty-four thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 852211 1704422 2556633 3408844 5113266 6817688 10226532 20453064 26418541 52837082 79255623 105674164 158511246 211348328 317022492 634044984