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3115025 = 52124601
BaseRepresentation
bin1011111000100000010001
312212021000022
423320200101
51244140100
6150433225
735322464
oct13704021
95767008
103115025
111838401
121062815
13850b14
145b12db
15417e85
hex2f8811

3115025 has 6 divisors (see below), whose sum is σ = 3862662. Its totient is φ = 2492000.

The previous prime is 3115009. The next prime is 3115027. The reversal of 3115025 is 5205113.

It can be written as a sum of positive squares in 3 ways, for example, as 132496 + 2982529 = 364^2 + 1727^2 .

It is not a de Polignac number, because 3115025 - 24 = 3115009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3114994 and 3115012.

It is not an unprimeable number, because it can be changed into a prime (3115027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62276 + ... + 62325.

It is an arithmetic number, because the mean of its divisors is an integer number (643777).

Almost surely, 23115025 is an apocalyptic number.

It is an amenable number.

3115025 is a deficient number, since it is larger than the sum of its proper divisors (747637).

3115025 is a wasteful number, since it uses less digits than its factorization.

3115025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124611 (or 124606 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 3115025 is about 1764.9433418668. The cubic root of 3115025 is about 146.0451633594.

The spelling of 3115025 in words is "three million, one hundred fifteen thousand, twenty-five".

Divisors: 1 5 25 124601 623005 3115025