Search a number
-
+
91325 = 5213281
BaseRepresentation
bin10110010010111101
311122021102
4112102331
510410300
61542445
7530153
oct262275
9148242
1091325
1162683
1244a25
1332750
14253d3
151c0d5
hex164bd

91325 has 12 divisors (see below), whose sum is σ = 122388. Its totient is φ = 67200.

The previous prime is 91309. The next prime is 91331. The reversal of 91325 is 52319.

It can be written as a sum of positive squares in 6 ways, for example, as 5476 + 85849 = 74^2 + 293^2 .

It is not a de Polignac number, because 91325 - 24 = 91309 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91297 and 91306.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91325.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185 + ... + 465.

It is an arithmetic number, because the mean of its divisors is an integer number (10199).

291325 is an apocalyptic number.

It is an amenable number.

91325 is a deficient number, since it is larger than the sum of its proper divisors (31063).

91325 is a wasteful number, since it uses less digits than its factorization.

91325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 299 counting only the distinct ones).

The product of its digits is 270, while the sum is 20.

The square root of 91325 is about 302.2002647252. The cubic root of 91325 is about 45.0328977546.

The spelling of 91325 in words is "ninety-one thousand, three hundred twenty-five".

Divisors: 1 5 13 25 65 281 325 1405 3653 7025 18265 91325