Base | Representation |
---|---|
bin | 110110000000… |
… | …011110110101 |
3 | 222122021210002 |
4 | 312000132311 |
5 | 12111021444 |
6 | 1223241045 |
7 | 231224144 |
oct | 66003665 |
9 | 28567702 |
10 | 14157749 |
11 | 7a9aa21 |
12 | 48a9185 |
13 | 2c19188 |
14 | 1c4775b |
15 | 1399d4e |
hex | d807b5 |
14157749 has 2 divisors, whose sum is σ = 14157750. Its totient is φ = 14157748.
The previous prime is 14157743. The next prime is 14157769. The reversal of 14157749 is 94775141.
14157749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13557124 + 600625 = 3682^2 + 775^2 .
It is a cyclic number.
It is not a de Polignac number, because 14157749 - 24 = 14157733 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14157743) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7078874 + 7078875.
It is an arithmetic number, because the mean of its divisors is an integer number (7078875).
Almost surely, 214157749 is an apocalyptic number.
It is an amenable number.
14157749 is a deficient number, since it is larger than the sum of its proper divisors (1).
14157749 is an equidigital number, since it uses as much as digits as its factorization.
14157749 is an evil number, because the sum of its binary digits is even.
The product of its digits is 35280, while the sum is 38.
The square root of 14157749 is about 3762.6784343071. The cubic root of 14157749 is about 241.9160797740.
The spelling of 14157749 in words is "fourteen million, one hundred fifty-seven thousand, seven hundred forty-nine".
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