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131671048 = 2316458881
BaseRepresentation
bin1111101100100…
…10010000001000
3100011202120201111
413312102100020
5232201433143
621022100104
73156120415
oct766222010
9304676644
10131671048
1168363453
123811a634
1321382282
14136b710c
15b85d99d
hex7d92408

131671048 has 8 divisors (see below), whose sum is σ = 246883230. Its totient is φ = 65835520.

The previous prime is 131671037. The next prime is 131671051. The reversal of 131671048 is 840176131.

It can be written as a sum of positive squares in only one way, i.e., 84309124 + 47361924 = 9182^2 + 6882^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 8229433 + ... + 8229448.

Almost surely, 2131671048 is an apocalyptic number.

It is an amenable number.

131671048 is a deficient number, since it is larger than the sum of its proper divisors (115212182).

131671048 is a wasteful number, since it uses less digits than its factorization.

131671048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16458887 (or 16458883 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 131671048 is about 11474.8005647157. The cubic root of 131671048 is about 508.7410290059.

The spelling of 131671048 in words is "one hundred thirty-one million, six hundred seventy-one thousand, forty-eight".