Base | Representation |
---|---|
bin | 110101001101… |
… | …100110011111 |
3 | 222020200220100 |
4 | 311031212133 |
5 | 12032334333 |
6 | 1214552143 |
7 | 226365432 |
oct | 65154637 |
9 | 28220810 |
10 | 13949343 |
11 | 7968391 |
12 | 4808653 |
13 | 2b75365 |
14 | 1bd1819 |
15 | 1358213 |
hex | d4d99f |
13949343 has 12 divisors (see below), whose sum is σ = 20271888. Its totient is φ = 9242880.
The previous prime is 13949323. The next prime is 13949347. The reversal of 13949343 is 34394931.
It is a de Polignac number, because none of the positive numbers 2k-13949343 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13949298 and 13949307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13949347) 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, 3138 + ... + 6143.
It is an arithmetic number, because the mean of its divisors is an integer number (1689324).
Almost surely, 213949343 is an apocalyptic number.
13949343 is a deficient number, since it is larger than the sum of its proper divisors (6322545).
13949343 is a wasteful number, since it uses less digits than its factorization.
13949343 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9454 (or 9451 counting only the distinct ones).
The product of its digits is 34992, while the sum is 36.
The square root of 13949343 is about 3734.8819258445. The cubic root of 13949343 is about 240.7231832528.
The spelling of 13949343 in words is "thirteen million, nine hundred forty-nine thousand, three hundred forty-three".
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