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531313080 = 23354427609
BaseRepresentation
bin11111101010110…
…011000110111000
31101000202111112020
4133222303012320
52042004004310
6124415514440
716111041504
oct3752630670
91330674466
10531313080
11252a04421
12129b28a20
13860c994c
14507c7304
15319a1170
hex1fab31b8

531313080 has 32 divisors (see below), whose sum is σ = 1593939600. Its totient is φ = 141683456.

The previous prime is 531313067. The next prime is 531313099. The reversal of 531313080 is 80313135.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 531313080.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2213685 + ... + 2213924.

Almost surely, 2531313080 is an apocalyptic number.

It is an amenable number.

531313080 is an abundant number, since it is smaller than the sum of its proper divisors (1062626520).

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

531313080 is a wasteful number, since it uses less digits than its factorization.

531313080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427623 (or 4427619 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 531313080 is about 23050.2294999421. The cubic root of 531313080 is about 809.9350046919.

The spelling of 531313080 in words is "five hundred thirty-one million, three hundred thirteen thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 4427609 8855218 13282827 17710436 22138045 26565654 35420872 44276090 53131308 66414135 88552180 106262616 132828270 177104360 265656540 531313080