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13262260 = 22511232621
BaseRepresentation
bin110010100101…
…110110110100
3220221210101211
4302211312310
511343343020
61152131204
7220504324
oct62456664
926853354
1013262260
117539150
124536b04
1329946bb
141a93284
15126e85a
hexca5db4

13262260 has 48 divisors (see below), whose sum is σ = 31715712. Its totient is φ = 4611200.

The previous prime is 13262257. The next prime is 13262269. The reversal of 13262260 is 6226231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13262269) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3750 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (660744).

Almost surely, 213262260 is an apocalyptic number.

13262260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13262260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15857856).

13262260 is an abundant number, since it is smaller than the sum of its proper divisors (18453452).

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

13262260 is a wasteful number, since it uses less digits than its factorization.

13262260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2662 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 13262260 is about 3641.7385957809. The cubic root of 13262260 is about 236.7041356621.

Adding to 13262260 its reverse (6226231), we get a palindrome (19488491).

The spelling of 13262260 in words is "thirteen million, two hundred sixty-two thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 23 44 46 55 92 110 115 220 230 253 460 506 1012 1265 2530 2621 5060 5242 10484 13105 26210 28831 52420 57662 60283 115324 120566 144155 241132 288310 301415 576620 602830 663113 1205660 1326226 2652452 3315565 6631130 13262260