Base | Representation |
---|---|
bin | 110001101101… |
… | …010110111101 |
3 | 220112000221220 |
4 | 301231112331 |
5 | 11313441340 |
6 | 1143143553 |
7 | 215521542 |
oct | 61552675 |
9 | 26460856 |
10 | 13030845 |
11 | 73a02a3 |
12 | 4444bb9 |
13 | 2913279 |
14 | 1a32bc9 |
15 | 1225ed0 |
hex | c6d5bd |
13030845 has 32 divisors (see below), whose sum is σ = 21866112. Its totient is φ = 6619392.
The previous prime is 13030793. The next prime is 13030877. The reversal of 13030845 is 54803031.
It is not a de Polignac number, because 13030845 - 211 = 13028797 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29194 + ... + 29636.
It is an arithmetic number, because the mean of its divisors is an integer number (683316).
Almost surely, 213030845 is an apocalyptic number.
13030845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13030845 is a deficient number, since it is larger than the sum of its proper divisors (8835267).
13030845 is a wasteful number, since it uses less digits than its factorization.
13030845 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 541.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 13030845 is about 3609.8261731003. The cubic root of 13030845 is about 235.3192883428.
Adding to 13030845 its reverse (54803031), we get a palindrome (67833876).
The spelling of 13030845 in words is "thirteen million, thirty thousand, eight hundred forty-five".
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