Search a number
-
+
79392 = 253827
BaseRepresentation
bin10011011000100000
311000220110
4103120200
510020032
61411320
7450315
oct233040
9130813
1079392
1154715
1239b40
132a1a1
1420d0c
15187cc
hex13620

79392 has 24 divisors (see below), whose sum is σ = 208656. Its totient is φ = 26432.

The previous prime is 79379. The next prime is 79393. The reversal of 79392 is 29397.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (79393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318 + ... + 509.

It is an arithmetic number, because the mean of its divisors is an integer number (8694).

279392 is an apocalyptic number.

It is an amenable number.

79392 is an abundant number, since it is smaller than the sum of its proper divisors (129264).

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 (104328).

79392 is a wasteful number, since it uses less digits than its factorization.

79392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 832 counting only the distinct ones).

The product of its digits is 3402, while the sum is 30.

The square root of 79392 is about 281.7658602457. The cubic root of 79392 is about 42.9792580691.

The spelling of 79392 in words is "seventy-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 827 1654 2481 3308 4962 6616 9924 13232 19848 26464 39696 79392