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131274552 = 2335469773
BaseRepresentation
bin1111101001100…
…01011100111000
3100011000102211110
413310301130320
5232101241202
621005400320
73152546433
oct764613470
9304012743
10131274552
1168112572
1237b690a0
1321273966
141361281a
15b7d126c
hex7d31738

131274552 has 16 divisors (see below), whose sum is σ = 328186440. Its totient is φ = 43758176.

The previous prime is 131274551. The next prime is 131274581. The reversal of 131274552 is 255472131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131274551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2734863 + ... + 2734910.

Almost surely, 2131274552 is an apocalyptic number.

131274552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131274552 is an abundant number, since it is smaller than the sum of its proper divisors (196911888).

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

131274552 is a wasteful number, since it uses less digits than its factorization.

131274552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469782 (or 5469778 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 131274552 is about 11457.5107244113. The cubic root of 131274552 is about 508.2298647661.

The spelling of 131274552 in words is "one hundred thirty-one million, two hundred seventy-four thousand, five hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 5469773 10939546 16409319 21879092 32818638 43758184 65637276 131274552