Base | Representation |
---|---|
bin | 110001101000… |
… | …000000101110 |
3 | 220110220220200 |
4 | 301220000232 |
5 | 11312241232 |
6 | 1142454330 |
7 | 215400642 |
oct | 61500056 |
9 | 26426820 |
10 | 13008942 |
11 | 73858a1 |
12 | 44343a6 |
13 | 29062cb |
14 | 1a28c22 |
15 | 121e77c |
hex | c6802e |
13008942 has 24 divisors (see below), whose sum is σ = 28787616. Its totient is φ = 4243776.
The previous prime is 13008929. The next prime is 13008943. The reversal of 13008942 is 24980031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13008943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6843 + ... + 8534.
It is an arithmetic number, because the mean of its divisors is an integer number (1199484).
Almost surely, 213008942 is an apocalyptic number.
13008942 is an abundant number, since it is smaller than the sum of its proper divisors (15778674).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13008942 is a wasteful number, since it uses less digits than its factorization.
13008942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15432 (or 15429 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 13008942 is about 3606.7910945881. The cubic root of 13008942 is about 235.1873682998.
Adding to 13008942 its reverse (24980031), we get a palindrome (37988973).
The spelling of 13008942 in words is "thirteen million, eight thousand, nine hundred forty-two".
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