Base | Representation |
---|---|
bin | 110100010101… |
… | …001100010010 |
3 | 221210221221211 |
4 | 310111030102 |
5 | 12002441130 |
6 | 1210010334 |
7 | 224414005 |
oct | 64251422 |
9 | 27727854 |
10 | 13718290 |
11 | 781a833 |
12 | 47169aa |
13 | 2ac4141 |
14 | 1b7153c |
15 | 130ea2a |
hex | d15312 |
13718290 has 32 divisors (see below), whose sum is σ = 25730496. Its totient is φ = 5261760.
The previous prime is 13718279. The next prime is 13718293. The reversal of 13718290 is 9281731.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (13718293) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25969 + ... + 26491.
It is an arithmetic number, because the mean of its divisors is an integer number (804078).
Almost surely, 213718290 is an apocalyptic number.
13718290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13718290 is a deficient number, since it is larger than the sum of its proper divisors (12012206).
13718290 is a wasteful number, since it uses less digits than its factorization.
13718290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 634.
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 13718290 is about 3703.8209999945. The cubic root of 13718290 is about 239.3866863430.
The spelling of 13718290 in words is "thirteen million, seven hundred eighteen thousand, two hundred ninety".
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