Search a number
-
+
79125972 = 22320273253
BaseRepresentation
bin1001011011101…
…01110111010100
312111220000102120
410231311313110
5130224012342
611503535540
71650362652
oct455656724
9174800376
1079125972
1140734572
12225ba5b0
1313515603
14a719dd2
156e2eaec
hex4b75dd4

79125972 has 24 divisors (see below), whose sum is σ = 184775136. Its totient is φ = 26354208.

The previous prime is 79125971. The next prime is 79126001. The reversal of 79125972 is 27952197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79125971) 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, 22698 + ... + 25950.

It is an arithmetic number, because the mean of its divisors is an integer number (7698964).

Almost surely, 279125972 is an apocalyptic number.

It is an amenable number.

79125972 is an abundant number, since it is smaller than the sum of its proper divisors (105649164).

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

79125972 is a wasteful number, since it uses less digits than its factorization.

79125972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287 (or 5285 counting only the distinct ones).

The product of its digits is 79380, while the sum is 42.

The square root of 79125972 is about 8895.2780732251. The cubic root of 79125972 is about 429.3119915213.

The spelling of 79125972 in words is "seventy-nine million, one hundred twenty-five thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 2027 3253 4054 6081 6506 8108 9759 12162 13012 19518 24324 39036 6593831 13187662 19781493 26375324 39562986 79125972