Search a number
-
+
79704868 = 22149133733
BaseRepresentation
bin1001100000000…
…11001100100100
312112222102112011
410300003030210
5130401023433
611524204004
71655323465
oct460031444
9175872464
1079704868
1140a9a4a1
1222839604
1313688c59
14a82ad6c
156ee63cd
hex4c03324

79704868 has 12 divisors (see below), whose sum is σ = 140420700. Its totient is φ = 39584672.

The previous prime is 79704851. The next prime is 79704869. The reversal of 79704868 is 86840797.

It can be written as a sum of positive squares in 2 ways, for example, as 22581504 + 57123364 = 4752^2 + 7558^2 .

It is not an unprimeable number, because it can be changed into a prime (79704869) 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, 66271 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (11701725).

Almost surely, 279704868 is an apocalyptic number.

It is an amenable number.

79704868 is a deficient number, since it is larger than the sum of its proper divisors (60715832).

79704868 is a wasteful number, since it uses less digits than its factorization.

79704868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133886 (or 133884 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 79704868 is about 8927.7582852584. The cubic root of 79704868 is about 430.3564162300.

The spelling of 79704868 in words is "seventy-nine million, seven hundred four thousand, eight hundred sixty-eight".

Divisors: 1 2 4 149 298 596 133733 267466 534932 19926217 39852434 79704868