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91244 = 2222811
BaseRepresentation
bin10110010001101100
311122011102
4112101230
510404434
61542232
7530006
oct262154
9148142
1091244
116260a
1244978
13326ba
1425376
151c07e
hex1646c

91244 has 6 divisors (see below), whose sum is σ = 159684. Its totient is φ = 45620.

The previous prime is 91243. The next prime is 91249. The reversal of 91244 is 44219.

It is not an unprimeable number, because it can be changed into a prime (91243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11402 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (26614).

291244 is an apocalyptic number.

It is an amenable number.

91244 is a deficient number, since it is larger than the sum of its proper divisors (68440).

91244 is a wasteful number, since it uses less digits than its factorization.

91244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22815 (or 22813 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 91244 is about 302.0662179059. The cubic root of 91244 is about 45.0195799567.

The spelling of 91244 in words is "ninety-one thousand, two hundred forty-four".

Divisors: 1 2 4 22811 45622 91244