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131060 = 2256553
BaseRepresentation
bin11111111111110100
320122210002
4133333310
513143220
62450432
71054046
oct377764
9218702
10131060
118a516
1263a18
1347867
1435a96
1528c75
hex1fff4

131060 has 12 divisors (see below), whose sum is σ = 275268. Its totient is φ = 52416.

The previous prime is 131059. The next prime is 131063. The reversal of 131060 is 60131.

It can be written as a sum of positive squares in 2 ways, for example, as 45796 + 85264 = 214^2 + 292^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131063) 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, 3257 + ... + 3296.

It is an arithmetic number, because the mean of its divisors is an integer number (22939).

2131060 is an apocalyptic number.

131060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131060 is an abundant number, since it is smaller than the sum of its proper divisors (144208).

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

131060 is a wasteful number, since it uses less digits than its factorization.

131060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562 (or 6560 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 131060 is about 362.0220987730. The cubic root of 131060 is about 50.7952834193.

Adding to 131060 its reverse (60131), we get a palindrome (191191).

The spelling of 131060 in words is "one hundred thirty-one thousand, sixty".

Divisors: 1 2 4 5 10 20 6553 13106 26212 32765 65530 131060