Base | Representation |
---|---|
bin | 110011100001… |
… | …110110100111 |
3 | 221102021111120 |
4 | 303201312213 |
5 | 11424224012 |
6 | 1201305023 |
7 | 222546642 |
oct | 63416647 |
9 | 27367446 |
10 | 13508007 |
11 | 7696847 |
12 | 4635173 |
13 | 2a4c506 |
14 | 1b18a59 |
15 | 12bc58c |
hex | ce1da7 |
13508007 has 8 divisors (see below), whose sum is σ = 18130560. Its totient is φ = 8945400.
The previous prime is 13508003. The next prime is 13508017. The reversal of 13508007 is 70080531.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13508007 - 22 = 13508003 is a prime.
It is a super-2 number, since 2×135080072 = 364932506224098, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13508003) 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, 14457 + ... + 15362.
It is an arithmetic number, because the mean of its divisors is an integer number (2266320).
Almost surely, 213508007 is an apocalyptic number.
13508007 is a deficient number, since it is larger than the sum of its proper divisors (4622553).
13508007 is a wasteful number, since it uses less digits than its factorization.
13508007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29973.
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 13508007 is about 3675.3240673443. The cubic root of 13508007 is about 238.1572237514.
Adding to 13508007 its reverse (70080531), we get a palindrome (83588538).
The spelling of 13508007 in words is "thirteen million, five hundred eight thousand, seven".
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