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79096081 = 472316747
BaseRepresentation
bin1001011011011…
…10100100010001
312111211111102111
410231232210101
5130222033311
611503145321
71650206551
oct455564421
9174744374
1079096081
1140714069
12225a5241
1313504b1c
14a70d161
156e25d21
hex4b6e911

79096081 has 4 divisors (see below), whose sum is σ = 79117552. Its totient is φ = 79074612.

The previous prime is 79096067. The next prime is 79096099. The reversal of 79096081 is 18069097.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79096081 - 217 = 78965009 is a prime.

It is a super-2 number, since 2×790960812 = 12512380059117122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79096001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (19779388).

Almost surely, 279096081 is an apocalyptic number.

It is an amenable number.

79096081 is a deficient number, since it is larger than the sum of its proper divisors (21471).

79096081 is a wasteful number, since it uses less digits than its factorization.

79096081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21470.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 79096081 is about 8893.5977534404. The cubic root of 79096081 is about 429.2579250724.

The spelling of 79096081 in words is "seventy-nine million, ninety-six thousand, eighty-one".

Divisors: 1 4723 16747 79096081