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3115225 = 523532
BaseRepresentation
bin1011111000100011011001
312212021021201
423320203121
51244141400
6150434201
735323201
oct13704331
95767251
103115225
111838573
121062961
13850c39
145b1401
1541806a
hex2f88d9

3115225 has 9 divisors (see below), whose sum is σ = 3873853. Its totient is φ = 2485120.

The previous prime is 3115201. The next prime is 3115237. The reversal of 3115225 is 5225113.

The square root of 3115225 is 1765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 170569 + 2944656 = 413^2 + 1716^2 .

It is not a de Polignac number, because 3115225 - 25 = 3115193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8649 + ... + 9001.

Almost surely, 23115225 is an apocalyptic number.

3115225 is the 1765-th square number.

3115225 is the 883-rd centered octagonal number.

It is an amenable number.

3115225 is a deficient number, since it is larger than the sum of its proper divisors (758628).

3115225 is an frugal number, since it uses more digits than its factorization.

3115225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 358 counting only the distinct ones).

The product of its digits is 300, while the sum is 19.

The cubic root of 3115225 is about 146.0482888996.

The spelling of 3115225 in words is "three million, one hundred fifteen thousand, two hundred twenty-five".

Divisors: 1 5 25 353 1765 8825 124609 623045 3115225