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131500104 = 2335479171
BaseRepresentation
bin1111101011010…
…00100001001000
3100011102220020020
413311220201020
5232131000404
621014300440
73154506141
oct765504110
9304386206
10131500104
1168256a7a
1238057720
1321322518
1413670ac8
15b827ed9
hex7d68848

131500104 has 16 divisors (see below), whose sum is σ = 328750320. Its totient is φ = 43833360.

The previous prime is 131500093. The next prime is 131500139. The reversal of 131500104 is 401005131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739562 + ... + 2739609.

It is an arithmetic number, because the mean of its divisors is an integer number (20546895).

Almost surely, 2131500104 is an apocalyptic number.

It is an amenable number.

131500104 is an abundant number, since it is smaller than the sum of its proper divisors (197250216).

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

131500104 is a wasteful number, since it uses less digits than its factorization.

131500104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479180 (or 5479176 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 131500104 is about 11467.3494757943. The cubic root of 131500104 is about 508.5207733257.

Adding to 131500104 its reverse (401005131), we get a palindrome (532505235).

The spelling of 131500104 in words is "one hundred thirty-one million, five hundred thousand, one hundred four".

Divisors: 1 2 3 4 6 8 12 24 5479171 10958342 16437513 21916684 32875026 43833368 65750052 131500104