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531150032 = 24731152981
BaseRepresentation
bin11111101010001…
…011010011010000
31101000110012212102
4133222023103100
52041433300112
6124412215532
716106462240
oct3752132320
91330405772
10531150032
11252902976
12129a6a5a8
138607067a
1450783b20
153196cbc2
hex1fa8b4d0

531150032 has 40 divisors (see below), whose sum is σ = 1214065152. Its totient is φ = 220291200.

The previous prime is 531150031. The next prime is 531150043. The reversal of 531150032 is 230051135.

It is a junction number, because it is equal to n+sod(n) for n = 531149986 and 531150013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531150031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73019 + ... + 79962.

Almost surely, 2531150032 is an apocalyptic number.

It is an amenable number.

531150032 is an abundant number, since it is smaller than the sum of its proper divisors (682915120).

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

531150032 is a wasteful number, since it uses less digits than its factorization.

531150032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153027 (or 153021 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 531150032 is about 23046.6924308023. The cubic root of 531150032 is about 809.8521459541.

The spelling of 531150032 in words is "five hundred thirty-one million, one hundred fifty thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1736 3472 152981 305962 611924 1070867 1223848 2141734 2447696 4283468 4742411 8566936 9484822 17133872 18969644 33196877 37939288 66393754 75878576 132787508 265575016 531150032