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91740968 = 23111954869
BaseRepresentation
bin1010111011111…
…01101100101000
320101121220221122
411131331230220
5141441202333
613034154412
72162533244
oct535755450
9211556848
1091740968
1147870390
1226882a08
13160114c7
14c281424
1580c2798
hex577db28

91740968 has 32 divisors (see below), whose sum is σ = 197532000. Its totient is φ = 39504960.

The previous prime is 91740923. The next prime is 91740977. The reversal of 91740968 is 86904719.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 25763 + ... + 29106.

It is an arithmetic number, because the mean of its divisors is an integer number (6172875).

Almost surely, 291740968 is an apocalyptic number.

It is an amenable number.

91740968 is an abundant number, since it is smaller than the sum of its proper divisors (105791032).

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

91740968 is a wasteful number, since it uses less digits than its factorization.

91740968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54905 (or 54901 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 91740968 is about 9578.1505521682. The cubic root of 91740968 is about 451.0116630301.

The spelling of 91740968 in words is "ninety-one million, seven hundred forty thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 54869 109738 219476 438952 603559 1042511 1207118 2085022 2414236 4170044 4828472 8340088 11467621 22935242 45870484 91740968