Base | Representation |
---|---|
bin | 110011101100… |
… | …101010000000 |
3 | 221111112012102 |
4 | 303230222000 |
5 | 11432133011 |
6 | 1202245532 |
7 | 223122644 |
oct | 63545200 |
9 | 27445172 |
10 | 13552256 |
11 | 7717013 |
12 | 46568a8 |
13 | 2a666b3 |
14 | 1b2ac24 |
15 | 12ca73b |
hex | ceca80 |
13552256 has 32 divisors (see below), whose sum is σ = 27172800. Its totient is φ = 6732544.
The previous prime is 13552237. The next prime is 13552261. The reversal of 13552256 is 65225531.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30371 + ... + 30813.
It is an arithmetic number, because the mean of its divisors is an integer number (849150).
Almost surely, 213552256 is an apocalyptic number.
13552256 is a gapful number since it is divisible by the number (16) 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 13552256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13586400).
13552256 is an abundant number, since it is smaller than the sum of its proper divisors (13620544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13552256 is an equidigital number, since it uses as much as digits as its factorization.
13552256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696 (or 684 counting only the distinct ones).
The product of its digits is 9000, while the sum is 29.
The square root of 13552256 is about 3681.3388868725. The cubic root of 13552256 is about 238.4169890150.
Adding to 13552256 its reverse (65225531), we get a palindrome (78777787).
The spelling of 13552256 in words is "thirteen million, five hundred fifty-two thousand, two hundred fifty-six".
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