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631552088 = 23312546581
BaseRepresentation
bin100101101001001…
…011100001011000
31122000101011121002
4211221023201120
52243134131323
6142400204132
721436050506
oct4551134130
91560334532
10631552088
112a4549482
12157609648
13a0ac517b
145dc3b676
153a6a1828
hex25a4b858

631552088 has 16 divisors (see below), whose sum is σ = 1222359360. Its totient is φ = 305589600.

The previous prime is 631552087. The next prime is 631552123. The reversal of 631552088 is 880255136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631552087) by changing a digit.

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, 1273043 + ... + 1273538.

It is an arithmetic number, because the mean of its divisors is an integer number (76397460).

Almost surely, 2631552088 is an apocalyptic number.

It is an amenable number.

631552088 is a deficient number, since it is larger than the sum of its proper divisors (590807272).

631552088 is a wasteful number, since it uses less digits than its factorization.

631552088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546618 (or 2546614 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 631552088 is about 25130.7001096269. The cubic root of 631552088 is about 857.9653034294.

The spelling of 631552088 in words is "six hundred thirty-one million, five hundred fifty-two thousand, eighty-eight".

Divisors: 1 2 4 8 31 62 124 248 2546581 5093162 10186324 20372648 78944011 157888022 315776044 631552088