Search a number
-
+
131617153 = 2573731373
BaseRepresentation
bin1111101100001…
…01000110000001
3100011122211210101
413312011012001
5232143222103
621021002401
73155504323
oct766050601
9304584711
10131617153
1168326a08
12380b3401
1321363895
14136a1613
15b84ca1d
hex7d85181

131617153 has 8 divisors (see below), whose sum is σ = 132580008. Its totient is φ = 130658304.

The previous prime is 131617151. The next prime is 131617159. The reversal of 131617153 is 351716131.

It can be written as a sum of positive squares in 4 ways, for example, as 102758769 + 28858384 = 10137^2 + 5372^2 .

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 131617153 - 21 = 131617151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131617151) 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, 95175 + ... + 96547.

It is an arithmetic number, because the mean of its divisors is an integer number (16572501).

Almost surely, 2131617153 is an apocalyptic number.

It is an amenable number.

131617153 is a deficient number, since it is larger than the sum of its proper divisors (962855).

131617153 is a wasteful number, since it uses less digits than its factorization.

131617153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003.

The product of its digits is 1890, while the sum is 28.

The square root of 131617153 is about 11472.4519175284. The cubic root of 131617153 is about 508.6716076715.

The spelling of 131617153 in words is "one hundred thirty-one million, six hundred seventeen thousand, one hundred fifty-three".

Divisors: 1 257 373 1373 95861 352861 512129 131617153