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79122 = 2313187
BaseRepresentation
bin10011010100010010
311000112110
4103110102
510012442
61410150
7446451
oct232422
9130473
1079122
115449a
1239956
132a024
1420b98
151869c
hex13512

79122 has 8 divisors (see below), whose sum is σ = 158256. Its totient is φ = 26372.

The previous prime is 79111. The next prime is 79133. The reversal of 79122 is 22197.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (79111) and next prime (79133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6588 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (19782).

279122 is an apocalyptic number.

79122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79128).

79122 is a wasteful number, since it uses less digits than its factorization.

79122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192.

The product of its digits is 252, while the sum is 21.

The square root of 79122 is about 281.2863309868. The cubic root of 79122 is about 42.9304807804.

The spelling of 79122 in words is "seventy-nine thousand, one hundred twenty-two".

Divisors: 1 2 3 6 13187 26374 39561 79122