Base | Representation |
---|---|
bin | 110011010011… |
… | …101011111111 |
3 | 221022022220112 |
4 | 303103223333 |
5 | 11420344413 |
6 | 1200140235 |
7 | 222215531 |
oct | 63235377 |
9 | 27268815 |
10 | 13449983 |
11 | 7657198 |
12 | 460767b |
13 | 2a2bc91 |
14 | 1b01851 |
15 | 12aa2a8 |
hex | cd3aff |
13449983 has 4 divisors (see below), whose sum is σ = 13472400. Its totient is φ = 13427568.
The previous prime is 13449979. The next prime is 13450039. The reversal of 13449983 is 38994431.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38994431 = 7 ⋅5570633.
It is a cyclic number.
It is not a de Polignac number, because 13449983 - 22 = 13449979 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13449983.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13449973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10283 + ... + 11516.
It is an arithmetic number, because the mean of its divisors is an integer number (3368100).
Almost surely, 213449983 is an apocalyptic number.
13449983 is a deficient number, since it is larger than the sum of its proper divisors (22417).
13449983 is an equidigital number, since it uses as much as digits as its factorization.
13449983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22416.
The product of its digits is 93312, while the sum is 41.
The square root of 13449983 is about 3667.4218464747. The cubic root of 13449983 is about 237.8157307763.
The spelling of 13449983 in words is "thirteen million, four hundred forty-nine thousand, nine hundred eighty-three".
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