Base | Representation |
---|---|
bin | 110010100011… |
… | …110001010000 |
3 | 220221100200020 |
4 | 302203301100 |
5 | 11343104322 |
6 | 1152023440 |
7 | 220440363 |
oct | 62436120 |
9 | 26840606 |
10 | 13253712 |
11 | 753278a |
12 | 4531b80 |
13 | 2990844 |
14 | 1a900da |
15 | 126c05c |
hex | ca3c50 |
13253712 has 40 divisors (see below), whose sum is σ = 34729920. Its totient is φ = 4354560.
The previous prime is 13253687. The next prime is 13253729. The reversal of 13253712 is 21735231.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1464 + ... + 5352.
It is an arithmetic number, because the mean of its divisors is an integer number (868248).
Almost surely, 213253712 is an apocalyptic number.
13253712 is a gapful number since it is divisible by the number (12) 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 13253712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17364960).
13253712 is an abundant number, since it is smaller than the sum of its proper divisors (21476208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13253712 is a wasteful number, since it uses less digits than its factorization.
13253712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3971 (or 3965 counting only the distinct ones).
The product of its digits is 1260, while the sum is 24.
The square root of 13253712 is about 3640.5647913476. The cubic root of 13253712 is about 236.6532699772.
Adding to 13253712 its reverse (21735231), we get a palindrome (34988943).
The spelling of 13253712 in words is "thirteen million, two hundred fifty-three thousand, seven hundred twelve".
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