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131083648 = 271024091
BaseRepresentation
bin1111101000000…
…10110110000000
3100010122201221221
413310002312000
5232024134043
621001324424
73151123033
oct764026600
9303581857
10131083648
1167aa20a3
1237a96714
1321207ab7
14135a301a
15b7948ed
hex7d02d80

131083648 has 16 divisors (see below), whose sum is σ = 261143460. Its totient is φ = 65541760.

The previous prime is 131083633. The next prime is 131083649. The reversal of 131083648 is 846380131.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131083649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511918 + ... + 512173.

Almost surely, 2131083648 is an apocalyptic number.

It is an amenable number.

131083648 is a deficient number, since it is larger than the sum of its proper divisors (130059812).

131083648 is an equidigital number, since it uses as much as digits as its factorization.

131083648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024105 (or 1024093 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 131083648 is about 11449.1767389625. The cubic root of 131083648 is about 507.9833834232.

The spelling of 131083648 in words is "one hundred thirty-one million, eighty-three thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 32 64 128 1024091 2048182 4096364 8192728 16385456 32770912 65541824 131083648