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91339 = 241379
BaseRepresentation
bin10110010011001011
311122021221
4112103023
510410324
61542511
7530203
oct262313
9148257
1091339
1162696
1244a37
1332761
1425403
151c0e4
hex164cb

91339 has 4 divisors (see below), whose sum is σ = 91960. Its totient is φ = 90720.

The previous prime is 91331. The next prime is 91367. The reversal of 91339 is 93319.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 91339 - 23 = 91331 is a prime.

It is a Duffinian number.

91339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (91331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52 + ... + 430.

It is an arithmetic number, because the mean of its divisors is an integer number (22990).

291339 is an apocalyptic number.

91339 is a deficient number, since it is larger than the sum of its proper divisors (621).

91339 is a wasteful number, since it uses less digits than its factorization.

91339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 729, while the sum is 25.

The square root of 91339 is about 302.2234272852. The cubic root of 91339 is about 45.0351987979.

The spelling of 91339 in words is "ninety-one thousand, three hundred thirty-nine".

Divisors: 1 241 379 91339