Base | Representation |
---|---|
bin | 110100001010… |
… | …111001110001 |
3 | 221201211010220 |
4 | 310022321301 |
5 | 12000114040 |
6 | 1205043253 |
7 | 224150100 |
oct | 64127161 |
9 | 27654126 |
10 | 13676145 |
11 | 77a10aa |
12 | 46b6529 |
13 | 2aaabc2 |
14 | 1b60037 |
15 | 13022d0 |
hex | d0ae71 |
13676145 has 48 divisors (see below), whose sum is σ = 26593920. Its totient is φ = 5972736.
The previous prime is 13676129. The next prime is 13676153. The reversal of 13676145 is 54167631.
Added to its reverse (54167631) it gives a triangular number (67843776 = T11648).
13676145 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13676145 - 24 = 13676129 is a prime.
It is a super-2 number, since 2×136761452 = 374073884122050, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16501 + ... + 17309.
It is an arithmetic number, because the mean of its divisors is an integer number (554040).
Almost surely, 213676145 is an apocalyptic number.
13676145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13676145 is a deficient number, since it is larger than the sum of its proper divisors (12917775).
13676145 is a wasteful number, since it uses less digits than its factorization.
13676145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 854 (or 847 counting only the distinct ones).
The product of its digits is 15120, while the sum is 33.
The square root of 13676145 is about 3698.1272287470. The cubic root of 13676145 is about 239.1412888665.
Adding to 13676145 its reverse (54167631), we get a triangular number (67843776 = T11648).
The spelling of 13676145 in words is "thirteen million, six hundred seventy-six thousand, one hundred forty-five".
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