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91494344 = 2314976757
BaseRepresentation
bin1010111010000…
…01011111001000
320101011101122102
411131001133020
5141410304334
613025012532
72160455234
oct535013710
9211141572
1091494344
1147712067
1226784148
1315c56186
14c2195c4
15807467e
hex57417c8

91494344 has 16 divisors (see below), whose sum is σ = 172705500. Its totient is φ = 45439552.

The previous prime is 91494343. The next prime is 91494349. The reversal of 91494344 is 44349419.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91431844 + 62500 = 9562^2 + 250^2 .

It is a junction number, because it is equal to n+sod(n) for n = 91494298 and 91494307.

It is not an unprimeable number, because it can be changed into a prime (91494341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37187 + ... + 39570.

Almost surely, 291494344 is an apocalyptic number.

It is an amenable number.

91494344 is a deficient number, since it is larger than the sum of its proper divisors (81211156).

91494344 is a wasteful number, since it uses less digits than its factorization.

91494344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76912 (or 76908 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 91494344 is about 9565.2675864296. The cubic root of 91494344 is about 450.6071541028.

The spelling of 91494344 in words is "ninety-one million, four hundred ninety-four thousand, three hundred forty-four".

Divisors: 1 2 4 8 149 298 596 1192 76757 153514 307028 614056 11436793 22873586 45747172 91494344