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91416942 = 23219267301
BaseRepresentation
bin1010111001011…
…10100101101110
320101000110110200
411130232211232
5141400320232
613023214330
72160013461
oct534564556
9211013420
1091416942
11476699a1
12267473a6
1315c29b86
14c1d92d8
15805b77c
hex572e96e

91416942 has 24 divisors (see below), whose sum is σ = 208495560. Its totient is φ = 28868400.

The previous prime is 91416931. The next prime is 91416943. The reversal of 91416942 is 24961419.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 91416897 and 91416906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91416943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133309 + ... + 133992.

It is an arithmetic number, because the mean of its divisors is an integer number (8687315).

Almost surely, 291416942 is an apocalyptic number.

91416942 is an abundant number, since it is smaller than the sum of its proper divisors (117078618).

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

91416942 is a wasteful number, since it uses less digits than its factorization.

91416942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267328 (or 267325 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 91416942 is about 9561.2207379602. The cubic root of 91416942 is about 450.4800506728.

The spelling of 91416942 in words is "ninety-one million, four hundred sixteen thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 267301 534602 801903 1603806 2405709 4811418 5078719 10157438 15236157 30472314 45708471 91416942