Base | Representation |
---|---|
bin | 110100001110… |
… | …011011111011 |
3 | 221202112222222 |
4 | 310032123323 |
5 | 12001044434 |
6 | 1205234255 |
7 | 224240225 |
oct | 64163373 |
9 | 27675888 |
10 | 13690619 |
11 | 7800a68 |
12 | 470298b |
13 | 2ab4677 |
14 | 1b65415 |
15 | 130672e |
hex | d0e6fb |
13690619 has 2 divisors, whose sum is σ = 13690620. Its totient is φ = 13690618.
The previous prime is 13690577. The next prime is 13690631. The reversal of 13690619 is 91609631.
It is a strong prime.
It is an emirp because it is prime and its reverse (91609631) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 13690619 - 28 = 13690363 is a prime.
It is a super-2 number, since 2×136906192 = 374866097206322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (13690319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6845309 + 6845310.
It is an arithmetic number, because the mean of its divisors is an integer number (6845310).
Almost surely, 213690619 is an apocalyptic number.
13690619 is a deficient number, since it is larger than the sum of its proper divisors (1).
13690619 is an equidigital number, since it uses as much as digits as its factorization.
13690619 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8748, while the sum is 35.
The square root of 13690619 is about 3700.0836477031. The cubic root of 13690619 is about 239.2256233201.
The spelling of 13690619 in words is "thirteen million, six hundred ninety thousand, six hundred nineteen".
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