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131086 = 265543
BaseRepresentation
bin100000000000001110
320122211001
4200000032
513143321
62450514
71054114
oct400016
9218731
10131086
118a53a
1263a3a
1347887
1435ab4
1528c91
hex2000e

131086 has 4 divisors (see below), whose sum is σ = 196632. Its totient is φ = 65542.

The previous prime is 131071. The next prime is 131101. The reversal of 131086 is 680131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 680131 = 4315817.

It is an interprime number because it is at equal distance from previous prime (131071) and next prime (131101).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32770 + ... + 32773.

It is an arithmetic number, because the mean of its divisors is an integer number (49158).

2131086 is an apocalyptic number.

131086 is a deficient number, since it is larger than the sum of its proper divisors (65546).

131086 is an equidigital number, since it uses as much as digits as its factorization.

131086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65545.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 131086 is about 362.0580064023. The cubic root of 131086 is about 50.7986421610.

The spelling of 131086 in words is "one hundred thirty-one thousand, eighty-six".

Divisors: 1 2 65543 131086