[go: up one dir, main page]

Search a number
-
+
79025 = 5229109
BaseRepresentation
bin10011010010110001
311000101212
4103102301
510012100
61405505
7446252
oct232261
9130355
1079025
1154411
1239895
1329c7b
1420b29
1518635
hex134b1

79025 has 12 divisors (see below), whose sum is σ = 102300. Its totient is φ = 60480.

The previous prime is 78989. The next prime is 79031. The reversal of 79025 is 52097.

It can be written as a sum of positive squares in 6 ways, for example, as 64 + 78961 = 8^2 + 281^2 .

It is not a de Polignac number, because 79025 - 212 = 74929 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (8525).

279025 is an apocalyptic number.

It is an amenable number.

79025 is a deficient number, since it is larger than the sum of its proper divisors (23275).

79025 is a wasteful number, since it uses less digits than its factorization.

79025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 79025 is about 281.1138559374. The cubic root of 79025 is about 42.9129299959.

The spelling of 79025 in words is "seventy-nine thousand, twenty-five".

Divisors: 1 5 25 29 109 145 545 725 2725 3161 15805 79025