Base | Representation |
---|---|
bin | 110100000010… |
… | …101001010101 |
3 | 221200002202022 |
4 | 310002221111 |
5 | 11443023300 |
6 | 1204222525 |
7 | 223646354 |
oct | 64025125 |
9 | 27602668 |
10 | 13642325 |
11 | 7778754 |
12 | 469aa45 |
13 | 2a986a8 |
14 | 1b5199b |
15 | 12e7285 |
hex | d02a55 |
13642325 has 24 divisors (see below), whose sum is σ = 18094080. Its totient is φ = 10180800.
The previous prime is 13642319. The next prime is 13642327. The reversal of 13642325 is 52324631.
It is not a de Polignac number, because 13642325 - 216 = 13576789 is a prime.
It is a super-2 number, since 2×136423252 = 372226062811250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13642294 and 13642303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13642327) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22172 + ... + 22778.
It is an arithmetic number, because the mean of its divisors is an integer number (753920).
Almost surely, 213642325 is an apocalyptic number.
It is an amenable number.
13642325 is a deficient number, since it is larger than the sum of its proper divisors (4451755).
13642325 is a wasteful number, since it uses less digits than its factorization.
13642325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 677 (or 672 counting only the distinct ones).
The product of its digits is 4320, while the sum is 26.
The square root of 13642325 is about 3693.5518136341. The cubic root of 13642325 is about 238.9440004651.
Adding to 13642325 its reverse (52324631), we get a palindrome (65966956).
The spelling of 13642325 in words is "thirteen million, six hundred forty-two thousand, three hundred twenty-five".
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