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79068925 = 52131132153
BaseRepresentation
bin1001011011001…
…11111011111101
312111210010011201
410231213323331
5130220201200
611502415501
71650034435
oct455477375
9174703151
1079068925
11406a5721
1222591591
13134c5660
14a7032c5
156e1cc6a
hex4b67efd

79068925 has 24 divisors (see below), whose sum is σ = 106571304. Its totient is φ = 57845760.

The previous prime is 79068907. The next prime is 79068929. The reversal of 79068925 is 52986097.

It can be written as a sum of positive squares in 12 ways, for example, as 73856836 + 5212089 = 8594^2 + 2283^2 .

It is not a de Polignac number, because 79068925 - 25 = 79068893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79068929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35649 + ... + 37801.

It is an arithmetic number, because the mean of its divisors is an integer number (4440471).

Almost surely, 279068925 is an apocalyptic number.

It is an amenable number.

79068925 is a deficient number, since it is larger than the sum of its proper divisors (27502379).

79068925 is a wasteful number, since it uses less digits than its factorization.

79068925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 79068925 is about 8892.0709061500. The cubic root of 79068925 is about 429.2087938454.

The spelling of 79068925 in words is "seventy-nine million, sixty-eight thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 65 113 325 565 1469 2153 2825 7345 10765 27989 36725 53825 139945 243289 699725 1216445 3162757 6082225 15813785 79068925