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131160253 = 7171102187
BaseRepresentation
bin1111101000101…
…01100010111101
3100010210122001011
413310111202331
5232034112003
621003115221
73151562260
oct764254275
9303718034
10131160253
1168044704
1237b12b11
1321233923
14135c2cd7
15b7ac46d
hex7d158bd

131160253 has 8 divisors (see below), whose sum is σ = 158715072. Its totient is φ = 105809856.

The previous prime is 131160241. The next prime is 131160257. The reversal of 131160253 is 352061131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131160253 - 213 = 131152061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131160257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550975 + ... + 551212.

It is an arithmetic number, because the mean of its divisors is an integer number (19839384).

Almost surely, 2131160253 is an apocalyptic number.

It is an amenable number.

131160253 is a deficient number, since it is larger than the sum of its proper divisors (27554819).

131160253 is a wasteful number, since it uses less digits than its factorization.

131160253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102211.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 131160253 is about 11452.5216873840. The cubic root of 131160253 is about 508.0823189496.

The spelling of 131160253 in words is "one hundred thirty-one million, one hundred sixty thousand, two hundred fifty-three".

Divisors: 1 7 17 119 1102187 7715309 18737179 131160253