Search a number
-
+
79028 = 2223859
BaseRepresentation
bin10011010010110100
311000101222
4103102310
510012103
61405512
7446255
oct232264
9130358
1079028
1154414
1239898
1329c81
1420b2c
1518638
hex134b4

79028 has 12 divisors (see below), whose sum is σ = 144480. Its totient is φ = 37752.

The previous prime is 78989. The next prime is 79031. The reversal of 79028 is 82097.

It is a junction number, because it is equal to n+sod(n) for n = 78988 and 79006.

It is a congruent number.

It is an unprimeable number.

79028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338 + ... + 521.

It is an arithmetic number, because the mean of its divisors is an integer number (12040).

279028 is an apocalyptic number.

It is an amenable number.

79028 is a deficient number, since it is larger than the sum of its proper divisors (65452).

79028 is a wasteful number, since it uses less digits than its factorization.

79028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 79028 is about 281.1191918030. The cubic root of 79028 is about 42.9134730188.

It can be divided in two parts, 790 and 28, that added together give a palindrome (818).

The spelling of 79028 in words is "seventy-nine thousand, twenty-eight".

Divisors: 1 2 4 23 46 92 859 1718 3436 19757 39514 79028