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13264528 = 243147569
BaseRepresentation
bin110010100110…
…011010010000
3220221220111211
4302212122100
511343431103
61152145504
7220514044
oct62463220
926856454
1013264528
11753a922
124538294
132995744
141a94024
15127036d
hexca6690

13264528 has 40 divisors (see below), whose sum is σ = 27141120. Its totient is φ = 6270720.

The previous prime is 13264523. The next prime is 13264529. The reversal of 13264528 is 82546231.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 13264528.

It is not an unprimeable number, because it can be changed into a prime (13264523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23028 + ... + 23596.

It is an arithmetic number, because the mean of its divisors is an integer number (678528).

Almost surely, 213264528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13264528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13570560).

13264528 is an abundant number, since it is smaller than the sum of its proper divisors (13876592).

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

13264528 is a wasteful number, since it uses less digits than its factorization.

13264528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 649 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 13264528 is about 3642.0499721997. The cubic root of 13264528 is about 236.7176279422.

The spelling of 13264528 in words is "thirteen million, two hundred sixty-four thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 31 47 62 94 124 188 248 376 496 569 752 1138 1457 2276 2914 4552 5828 9104 11656 17639 23312 26743 35278 53486 70556 106972 141112 213944 282224 427888 829033 1658066 3316132 6632264 13264528