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79948 = 22112379
BaseRepresentation
bin10011100001001100
311001200001
4103201030
510024243
61414044
7452041
oct234114
9131601
1079948
1155080
123a324
132a50b
14211c8
1518a4d
hex1384c

79948 has 24 divisors (see below), whose sum is σ = 161280. Its totient is φ = 34320.

The previous prime is 79943. The next prime is 79967. The reversal of 79948 is 84997.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (79943) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1051.

It is an arithmetic number, because the mean of its divisors is an integer number (6720).

279948 is an apocalyptic number.

It is an amenable number.

79948 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 (80640).

79948 is a wasteful number, since it uses less digits than its factorization.

79948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 115 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 79948 is about 282.7507736506. The cubic root of 79948 is about 43.0793558935.

The spelling of 79948 in words is "seventy-nine thousand, nine hundred forty-eight".

Divisors: 1 2 4 11 22 23 44 46 79 92 158 253 316 506 869 1012 1738 1817 3476 3634 7268 19987 39974 79948