Search a number
-
+
13256275 = 52530251
BaseRepresentation
bin110010100100…
…011001010011
3220221111012011
4302210121103
511343200100
61152043351
7220451014
oct62443123
926844164
1013256275
1175346aa
124533557
132991a66
141a9100b
15126cbba
hexca4653

13256275 has 6 divisors (see below), whose sum is σ = 16437812. Its totient is φ = 10605000.

The previous prime is 13256239. The next prime is 13256333. The reversal of 13256275 is 57265231.

It is not a de Polignac number, because 13256275 - 27 = 13256147 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 265101 + ... + 265150.

Almost surely, 213256275 is an apocalyptic number.

13256275 is a deficient number, since it is larger than the sum of its proper divisors (3181537).

13256275 is an equidigital number, since it uses as much as digits as its factorization.

13256275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530261 (or 530256 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 13256275 is about 3640.9167801530. The cubic root of 13256275 is about 236.6685236470.

It can be divided in two parts, 13256 and 275, that added together give a palindrome (13531).

The spelling of 13256275 in words is "thirteen million, two hundred fifty-six thousand, two hundred seventy-five".

Divisors: 1 5 25 530251 2651255 13256275