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91492 = 2289257
BaseRepresentation
bin10110010101100100
311122111121
4112111210
510411432
61543324
7530512
oct262544
9148447
1091492
1162815
1244b44
133284b
14254b2
151c197
hex16564

91492 has 12 divisors (see below), whose sum is σ = 162540. Its totient is φ = 45056.

The previous prime is 91463. The next prime is 91493. The reversal of 91492 is 29419.

91492 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 60516 + 30976 = 246^2 + 176^2 .

It is not an unprimeable number, because it can be changed into a prime (91493) by changing a digit.

91492 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228 + ... + 484.

It is an arithmetic number, because the mean of its divisors is an integer number (13545).

291492 is an apocalyptic number.

It is an amenable number.

91492 is a deficient number, since it is larger than the sum of its proper divisors (71048).

91492 is a wasteful number, since it uses less digits than its factorization.

91492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 348 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 91492 is about 302.4764453639. The cubic root of 91492 is about 45.0603306025.

The spelling of 91492 in words is "ninety-one thousand, four hundred ninety-two".

Divisors: 1 2 4 89 178 257 356 514 1028 22873 45746 91492