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79120 = 2452343
BaseRepresentation
bin10011010100010000
311000112101
4103110100
510012440
61410144
7446446
oct232420
9130471
1079120
1154498
1239954
132a022
1420b96
151869a
hex13510

79120 has 40 divisors (see below), whose sum is σ = 196416. Its totient is φ = 29568.

The previous prime is 79111. The next prime is 79133. The reversal of 79120 is 2197.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

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, 1819 + ... + 1861.

279120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98208).

79120 is an abundant number, since it is smaller than the sum of its proper divisors (117296).

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

79120 is a wasteful number, since it uses less digits than its factorization.

79120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 79120 is about 281.2827758680. The cubic root of 79120 is about 42.9301190535.

The spelling of 79120 in words is "seventy-nine thousand, one hundred twenty".