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91910034 = 2325106113
BaseRepresentation
bin1010111101001…
…10111110010010
320101221111212100
411132212332102
5142012110114
613041541230
72164136166
oct536467622
9211844770
1091910034
1147976407
1226944816
1316070448
14c2c6ca6
158107909
hex57a6f92

91910034 has 12 divisors (see below), whose sum is σ = 199138446. Its totient is φ = 30636672.

The previous prime is 91910017. The next prime is 91910057. The reversal of 91910034 is 43001919.

It can be written as a sum of positive squares in only one way, i.e., 61074225 + 30835809 = 7815^2 + 5553^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2553039 + ... + 2553074.

Almost surely, 291910034 is an apocalyptic number.

91910034 is an abundant number, since it is smaller than the sum of its proper divisors (107228412).

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

91910034 is a wasteful number, since it uses less digits than its factorization.

91910034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106121 (or 5106118 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 91910034 is about 9586.9720975916. The cubic root of 91910034 is about 451.2885438592.

The spelling of 91910034 in words is "ninety-one million, nine hundred ten thousand, thirty-four".

Divisors: 1 2 3 6 9 18 5106113 10212226 15318339 30636678 45955017 91910034