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91494 = 232131723
BaseRepresentation
bin10110010101100110
311122111200
4112111212
510411434
61543330
7530514
oct262546
9148450
1091494
1162817
1244b46
1332850
14254b4
151c199
hex16566

91494 has 48 divisors (see below), whose sum is σ = 235872. Its totient is φ = 25344.

The previous prime is 91493. The next prime is 91499. The reversal of 91494 is 49419.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3967 + ... + 3989.

It is an arithmetic number, because the mean of its divisors is an integer number (4914).

291494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117936).

91494 is an abundant number, since it is smaller than the sum of its proper divisors (144378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91494 is a wasteful number, since it uses less digits than its factorization.

91494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 58 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 91494 is about 302.4797513884. The cubic root of 91494 is about 45.0606589372.

It can be divided in two parts, 91 and 494, that added together give a palindrome (585).

The spelling of 91494 in words is "ninety-one thousand, four hundred ninety-four".

Divisors: 1 2 3 6 9 13 17 18 23 26 34 39 46 51 69 78 102 117 138 153 207 221 234 299 306 391 414 442 598 663 782 897 1173 1326 1794 1989 2346 2691 3519 3978 5083 5382 7038 10166 15249 30498 45747 91494