Search a number
-
+
79051952 = 247705821
BaseRepresentation
bin1001011011000…
…11110010110000
312111202020220002
410231203302300
5130214130302
611502205132
71646634110
oct455436260
9174666802
1079051952
11406939a1
12225837a8
13134baa05
14a6db040
156e17c02
hex4b63cb0

79051952 has 20 divisors (see below), whose sum is σ = 175043856. Its totient is φ = 33879360.

The previous prime is 79051859. The next prime is 79051957. The reversal of 79051952 is 25915097.

It is a super-2 number, since 2×790519522 = 12498422230020608, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) 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 (79051957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352799 + ... + 353022.

Almost surely, 279051952 is an apocalyptic number.

It is an amenable number.

79051952 is an abundant number, since it is smaller than the sum of its proper divisors (95991904).

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

79051952 is a wasteful number, since it uses less digits than its factorization.

79051952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705836 (or 705830 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 79051952 is about 8891.1164653265. The cubic root of 79051952 is about 429.1780802109.

The spelling of 79051952 in words is "seventy-nine million, fifty-one thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 705821 1411642 2823284 4940747 5646568 9881494 11293136 19762988 39525976 79051952