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79424925 = 3521058999
BaseRepresentation
bin1001011101111…
…10110110011101
312112110012111220
410232332312131
5130313044200
611514203553
71653046356
oct456766635
9175405456
1079424925
1140919138
12227235b9
13135bb6c8
14a796d2d
156e8d4a0
hex4bbed9d

79424925 has 12 divisors (see below), whose sum is σ = 131316000. Its totient is φ = 42359920.

The previous prime is 79424909. The next prime is 79424927. The reversal of 79424925 is 52942497.

It is not a de Polignac number, because 79424925 - 24 = 79424909 is a prime.

It is a super-2 number, since 2×794249252 = 12616637422511250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79424927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529425 + ... + 529574.

It is an arithmetic number, because the mean of its divisors is an integer number (10943000).

Almost surely, 279424925 is an apocalyptic number.

79424925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79424925 is a deficient number, since it is larger than the sum of its proper divisors (51891075).

79424925 is a wasteful number, since it uses less digits than its factorization.

79424925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059012 (or 1059007 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 79424925 is about 8912.0662587304. The cubic root of 79424925 is about 429.8519861940.

It can be divided in two parts, 7942492 and 5, that added together give a palindrome (7942497).

The spelling of 79424925 in words is "seventy-nine million, four hundred twenty-four thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 1058999 3176997 5294995 15884985 26474975 79424925