Base | Representation |
---|---|
bin | 110101001101… |
… | …001101011101 |
3 | 222020121201000 |
4 | 311031031131 |
5 | 12032311431 |
6 | 1214540513 |
7 | 226360653 |
oct | 65151535 |
9 | 28217630 |
10 | 13947741 |
11 | 7967165 |
12 | 4807739 |
13 | 2b74702 |
14 | 1bd0dd3 |
15 | 13579e6 |
hex | d4d35d |
13947741 has 16 divisors (see below), whose sum is σ = 20808000. Its totient is φ = 9233424.
The previous prime is 13947709. The next prime is 13947743. The reversal of 13947741 is 14774931.
It is not a de Polignac number, because 13947741 - 25 = 13947709 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13947696 and 13947705.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13947743) 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, 2290 + ... + 5756.
It is an arithmetic number, because the mean of its divisors is an integer number (1300500).
Almost surely, 213947741 is an apocalyptic number.
It is an amenable number.
13947741 is a deficient number, since it is larger than the sum of its proper divisors (6860259).
13947741 is a wasteful number, since it uses less digits than its factorization.
13947741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3625 (or 3619 counting only the distinct ones).
The product of its digits is 21168, while the sum is 36.
The square root of 13947741 is about 3734.6674550755. The cubic root of 13947741 is about 240.7139676861.
The spelling of 13947741 in words is "thirteen million, nine hundred forty-seven thousand, seven hundred forty-one".
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