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131032060 = 2256551603
BaseRepresentation
bin1111100111101…
…10001111111100
3100010120010012021
413303312033330
5232021011220
621000245524
73150516445
oct763661774
9303503167
10131032060
1167a67365
1237a708a4
13211ba483
141358c2cc
15b7844aa
hex7cf63fc

131032060 has 12 divisors (see below), whose sum is σ = 275167368. Its totient is φ = 52412816.

The previous prime is 131031997. The next prime is 131032067. The reversal of 131032060 is 60230131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131032067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275782 + ... + 3275821.

It is an arithmetic number, because the mean of its divisors is an integer number (22930614).

Almost surely, 2131032060 is an apocalyptic number.

131032060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032060 is an abundant number, since it is smaller than the sum of its proper divisors (144135308).

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

131032060 is a wasteful number, since it uses less digits than its factorization.

131032060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551612 (or 6551610 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 131032060 is about 11446.9236041829. The cubic root of 131032060 is about 507.9167356867.

Adding to 131032060 its reverse (60230131), we get a palindrome (191262191).

The spelling of 131032060 in words is "one hundred thirty-one million, thirty-two thousand, sixty".

Divisors: 1 2 4 5 10 20 6551603 13103206 26206412 32758015 65516030 131032060