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531372995 = 51713745631
BaseRepresentation
bin11111101011000…
…001101111000011
31101000212112201022
4133223001233003
52042012413440
6124421100055
716111411256
oct3753015703
91330775638
10531372995
11252a4543a
12129b5762b
138611acba
145080109d
15319b3cb5
hex1fac1bc3

531372995 has 16 divisors (see below), whose sum is σ = 680099328. Its totient is φ = 397163520.

The previous prime is 531372977. The next prime is 531373009. The reversal of 531372995 is 599273135.

It is not a de Polignac number, because 531372995 - 26 = 531372931 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 11171 + ... + 34460.

It is an arithmetic number, because the mean of its divisors is an integer number (42506208).

Almost surely, 2531372995 is an apocalyptic number.

531372995 is a deficient number, since it is larger than the sum of its proper divisors (148726333).

531372995 is a wasteful number, since it uses less digits than its factorization.

531372995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45790.

The product of its digits is 255150, while the sum is 44.

The square root of 531372995 is about 23051.5291249843. The cubic root of 531372995 is about 809.9654484068.

The spelling of 531372995 in words is "five hundred thirty-one million, three hundred seventy-two thousand, nine hundred ninety-five".

Divisors: 1 5 17 85 137 685 2329 11645 45631 228155 775727 3878635 6251447 31257235 106274599 531372995