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13254260 = 225662713
BaseRepresentation
bin110010100011…
…111001110100
3220221101102112
4302203321310
511343114020
61152030152
7220442105
oct62437164
926841375
1013254260
117533138
124532358
132990b76
141a903ac
15126c2c5
hexca3e74

13254260 has 12 divisors (see below), whose sum is σ = 27833988. Its totient is φ = 5301696.

The previous prime is 13254259. The next prime is 13254281. The reversal of 13254260 is 6245231.

It can be written as a sum of positive squares in 2 ways, for example, as 1503076 + 11751184 = 1226^2 + 3428^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331337 + ... + 331376.

It is an arithmetic number, because the mean of its divisors is an integer number (2319499).

Almost surely, 213254260 is an apocalyptic number.

13254260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13254260 is an abundant number, since it is smaller than the sum of its proper divisors (14579728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13254260 is a wasteful number, since it uses less digits than its factorization.

13254260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662722 (or 662720 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 13254260 is about 3640.6400536169. The cubic root of 13254260 is about 236.6565315592.

Adding to 13254260 its reverse (6245231), we get a palindrome (19499491).

The spelling of 13254260 in words is "thirteen million, two hundred fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 662713 1325426 2650852 3313565 6627130 13254260