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91940076 = 2233851297
BaseRepresentation
bin1010111101011…
…10010011101100
320102000001002000
411132232103230
5142014040301
613042332300
72164322604
oct536562354
9212001060
1091940076
1147996a38
122695a090
1316081017
14c2d3c04
158111786
hex57ae4ec

91940076 has 24 divisors (see below), whose sum is σ = 238363440. Its totient is φ = 30646656.

The previous prime is 91940059. The next prime is 91940087. The reversal of 91940076 is 67004919.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 91940076.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425541 + ... + 425756.

It is an arithmetic number, because the mean of its divisors is an integer number (9931810).

Almost surely, 291940076 is an apocalyptic number.

It is an amenable number.

91940076 is an abundant number, since it is smaller than the sum of its proper divisors (146423364).

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

91940076 is a wasteful number, since it uses less digits than its factorization.

91940076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851310 (or 851302 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 91940076 is about 9588.5387833601. The cubic root of 91940076 is about 451.3377083626.

The spelling of 91940076 in words is "ninety-one million, nine hundred forty thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 851297 1702594 2553891 3405188 5107782 7661673 10215564 15323346 22985019 30646692 45970038 91940076