Base | Representation |
---|---|
bin | 110010111111… |
… | …111001101001 |
3 | 221011012201211 |
4 | 302333321221 |
5 | 11410301222 |
6 | 1154313121 |
7 | 221430331 |
oct | 62777151 |
9 | 27135654 |
10 | 13368937 |
11 | 760130a |
12 | 45887a1 |
13 | 2a0111a |
14 | 1ac00c1 |
15 | 1291277 |
hex | cbfe69 |
13368937 has 2 divisors, whose sum is σ = 13368938. Its totient is φ = 13368936.
The previous prime is 13368931. The next prime is 13368947. The reversal of 13368937 is 73986331.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13366336 + 2601 = 3656^2 + 51^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-13368937 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 13368937.
It is not a weakly prime, because it can be changed into another prime (13368931) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6684468 + 6684469.
It is an arithmetic number, because the mean of its divisors is an integer number (6684469).
Almost surely, 213368937 is an apocalyptic number.
It is an amenable number.
13368937 is a deficient number, since it is larger than the sum of its proper divisors (1).
13368937 is an equidigital number, since it uses as much as digits as its factorization.
13368937 is an evil number, because the sum of its binary digits is even.
The product of its digits is 81648, while the sum is 40.
The square root of 13368937 is about 3656.3556993269. The cubic root of 13368937 is about 237.3370967838.
The spelling of 13368937 in words is "thirteen million, three hundred sixty-eight thousand, nine hundred thirty-seven".
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