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531150132 = 223231924457
BaseRepresentation
bin11111101010001…
…011010100110100
31101000110020000010
4133222023110310
52041433301012
6124412220220
716106462442
oct3752132464
91330406003
10531150132
11252902a57
12129a6a670
1386070726
1450783b92
153196cc3c
hex1fa8b534

531150132 has 24 divisors (see below), whose sum is σ = 1293235776. Its totient is φ = 169352128.

The previous prime is 531150127. The next prime is 531150143. The reversal of 531150132 is 231051135.

It is a junction number, because it is equal to n+sod(n) for n = 531150099 and 531150108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961953 + ... + 962504.

It is an arithmetic number, because the mean of its divisors is an integer number (53884824).

Almost surely, 2531150132 is an apocalyptic number.

It is an amenable number.

531150132 is an abundant number, since it is smaller than the sum of its proper divisors (762085644).

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

531150132 is a wasteful number, since it uses less digits than its factorization.

531150132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924487 (or 1924485 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 531150132 is about 23046.6946003109. The cubic root of 531150132 is about 809.8521967779.

The spelling of 531150132 in words is "five hundred thirty-one million, one hundred fifty thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 1924457 3848914 5773371 7697828 11546742 23093484 44262511 88525022 132787533 177050044 265575066 531150132