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79080072 = 23323143261
BaseRepresentation
bin1001011011010…
…10101010001000
312111210200110120
410231222222020
5130221030242
611502543240
71650112101
oct455525210
9174720416
1079080072
1140703035
1222597b20
13134ca756
14a7073a8
156e211ec
hex4b6aa88

79080072 has 32 divisors (see below), whose sum is σ = 206297280. Its totient is φ = 25213760.

The previous prime is 79080061. The next prime is 79080077. The reversal of 79080072 is 27008097.

It is not an unprimeable number, because it can be changed into a prime (79080077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71079 + ... + 72182.

It is an arithmetic number, because the mean of its divisors is an integer number (6446790).

Almost surely, 279080072 is an apocalyptic number.

It is an amenable number.

79080072 is an abundant number, since it is smaller than the sum of its proper divisors (127217208).

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

79080072 is a wasteful number, since it uses less digits than its factorization.

79080072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143293 (or 143289 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 79080072 is about 8892.6976784326. The cubic root of 79080072 is about 429.2289626016.

The spelling of 79080072 in words is "seventy-nine million, eighty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 552 143261 286522 429783 573044 859566 1146088 1719132 3295003 3438264 6590006 9885009 13180012 19770018 26360024 39540036 79080072