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13255825 = 5211194359
BaseRepresentation
bin110010100100…
…010010010001
3220221110120111
4302210102101
511343141300
61152041321
7220446502
oct62442221
926843514
1013255825
117534330
124533241
1329917ab
141a90ba9
15126c9ba
hexca4491

13255825 has 48 divisors (see below), whose sum is σ = 19641600. Its totient is φ = 8769600.

The previous prime is 13255807. The next prime is 13255829. The reversal of 13255825 is 52855231.

It is not a de Polignac number, because 13255825 - 25 = 13255793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13255829) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224646 + ... + 224704.

It is an arithmetic number, because the mean of its divisors is an integer number (409200).

Almost surely, 213255825 is an apocalyptic number.

It is an amenable number.

13255825 is a deficient number, since it is larger than the sum of its proper divisors (6385775).

13255825 is a wasteful number, since it uses less digits than its factorization.

13255825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 137 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 13255825 is about 3640.8549820063. The cubic root of 13255825 is about 236.6658456186.

The spelling of 13255825 in words is "thirteen million, two hundred fifty-five thousand, eight hundred twenty-five".

Divisors: 1 5 11 19 25 43 55 59 95 209 215 275 295 473 475 649 817 1045 1075 1121 1475 2365 2537 3245 4085 5225 5605 8987 11825 12331 12685 16225 20425 27907 28025 44935 48203 61655 63425 139535 224675 241015 308275 530233 697675 1205075 2651165 13255825