Base | Representation |
---|---|
bin | 110101100101… |
… | …011110100011 |
3 | 222102200001102 |
4 | 311211132203 |
5 | 12044002024 |
6 | 1221025015 |
7 | 230253521 |
oct | 65453643 |
9 | 28380042 |
10 | 14047139 |
11 | 7a24907 |
12 | 485516b |
13 | 2baaa22 |
14 | 1c19311 |
15 | 13771ae |
hex | d657a3 |
14047139 has 2 divisors, whose sum is σ = 14047140. Its totient is φ = 14047138.
The previous prime is 14047109. The next prime is 14047183. The reversal of 14047139 is 93174041.
It is a weak prime.
It is an emirp because it is prime and its reverse (93174041) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-14047139 is a prime.
It is a super-2 number, since 2×140471392 = 394644228170642, which contains 22 as substring.
It is a Sophie Germain prime.
It is a Chen prime.
It is equal to p912935 and since 14047139 and 912935 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (14047109) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7023569 + 7023570.
It is an arithmetic number, because the mean of its divisors is an integer number (7023570).
Almost surely, 214047139 is an apocalyptic number.
14047139 is a deficient number, since it is larger than the sum of its proper divisors (1).
14047139 is an equidigital number, since it uses as much as digits as its factorization.
14047139 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3024, while the sum is 29.
The square root of 14047139 is about 3747.9513070476. The cubic root of 14047139 is about 241.2844274206.
The spelling of 14047139 in words is "fourteen million, forty-seven thousand, one hundred thirty-nine".
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