Base | Representation |
---|---|
bin | 110011111110… |
… | …011111100001 |
3 | 221122020102020 |
4 | 303332133201 |
5 | 11442002223 |
6 | 1204012053 |
7 | 223545642 |
oct | 63763741 |
9 | 27566366 |
10 | 13625313 |
11 | 7766999 |
12 | 4691029 |
13 | 2a90a20 |
14 | 1b496c9 |
15 | 12e21e3 |
hex | cfe7e1 |
13625313 has 16 divisors (see below), whose sum is σ = 20716416. Its totient is φ = 7891200.
The previous prime is 13625291. The next prime is 13625323. The reversal of 13625313 is 31352631.
It is a happy number.
It is not a de Polignac number, because 13625313 - 28 = 13625057 is a prime.
It is a zygodrome in base 11.
It is not an unprimeable number, because it can be changed into a prime (13625323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9613 + ... + 10938.
It is an arithmetic number, because the mean of its divisors is an integer number (1294776).
Almost surely, 213625313 is an apocalyptic number.
13625313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13625313 is a deficient number, since it is larger than the sum of its proper divisors (7091103).
13625313 is a wasteful number, since it uses less digits than its factorization.
13625313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20584.
The product of its digits is 1620, while the sum is 24.
The square root of 13625313 is about 3691.2481628847. The cubic root of 13625313 is about 238.8446379747.
Adding to 13625313 its reverse (31352631), we get a palindrome (44977944).
The spelling of 13625313 in words is "thirteen million, six hundred twenty-five thousand, three hundred thirteen".
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