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5311225 = 521712497
BaseRepresentation
bin10100010000101011111001
3100222211122001
4110100223321
52324424400
6305501001
763100423
oct24205371
910884561
105311225
112aa8447
121941761
13113c64a
149c3813
156eda6a
hex510af9

5311225 has 12 divisors (see below), whose sum is σ = 6973884. Its totient is φ = 3998720.

The previous prime is 5311219. The next prime is 5311237. The reversal of 5311225 is 5221135.

It can be written as a sum of positive squares in 6 ways, for example, as 2809 + 5308416 = 53^2 + 2304^2 .

It is not a de Polignac number, because 5311225 - 23 = 5311217 is a prime.

It is a super-2 number, since 2×53112252 = 56418222001250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5824 + ... + 6673.

It is an arithmetic number, because the mean of its divisors is an integer number (581157).

Almost surely, 25311225 is an apocalyptic number.

It is an amenable number.

5311225 is a deficient number, since it is larger than the sum of its proper divisors (1662659).

5311225 is a wasteful number, since it uses less digits than its factorization.

5311225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12524 (or 12519 counting only the distinct ones).

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

The square root of 5311225 is about 2304.6095113923. The cubic root of 5311225 is about 174.4743409918.

The spelling of 5311225 in words is "five million, three hundred eleven thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 425 12497 62485 212449 312425 1062245 5311225