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79112 = 23112931
BaseRepresentation
bin10011010100001000
311000112002
4103110020
510012422
61410132
7446435
oct232410
9130462
1079112
1154490
1239948
132a017
1420b8c
1518692
hex13508

79112 has 32 divisors (see below), whose sum is σ = 172800. Its totient is φ = 33600.

The previous prime is 79111. The next prime is 79133. The reversal of 79112 is 21197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79111) 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, 2537 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (5400).

279112 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 79112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86400).

79112 is an abundant number, since it is smaller than the sum of its proper divisors (93688).

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

79112 is a wasteful number, since it uses less digits than its factorization.

79112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 73 counting only the distinct ones).

The product of its digits is 126, while the sum is 20.

The square root of 79112 is about 281.2685549435. The cubic root of 79112 is about 42.9286720846.

It can be divided in two parts, 79 and 112, that added together give a palindrome (191).

The spelling of 79112 in words is "seventy-nine thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 29 31 44 58 62 88 116 124 232 248 319 341 638 682 899 1276 1364 1798 2552 2728 3596 7192 9889 19778 39556 79112