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79113045 = 3511479473
BaseRepresentation
bin1001011011100…
…10101101010101
312111212100200210
410231302231111
5130223104140
611503400033
71650310164
oct455625525
9174770623
1079113045
1140725890
12225b3019
131350c76b
14a7153db
156e2ad80
hex4b72b55

79113045 has 16 divisors (see below), whose sum is σ = 138088512. Its totient is φ = 38357760.

The previous prime is 79113037. The next prime is 79113059. The reversal of 79113045 is 54031197.

It is not a de Polignac number, because 79113045 - 23 = 79113037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239572 + ... + 239901.

It is an arithmetic number, because the mean of its divisors is an integer number (8630532).

Almost surely, 279113045 is an apocalyptic number.

It is an amenable number.

79113045 is a deficient number, since it is larger than the sum of its proper divisors (58975467).

79113045 is a wasteful number, since it uses less digits than its factorization.

79113045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479492.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 79113045 is about 8894.5514220786. The cubic root of 79113045 is about 429.2886110044.

The spelling of 79113045 in words is "seventy-nine million, one hundred thirteen thousand, forty-five".

Divisors: 1 3 5 11 15 33 55 165 479473 1438419 2397365 5274203 7192095 15822609 26371015 79113045