Base | Representation |
---|---|
bin | 111000110100… |
… | …111101111101 |
3 | 1001000211212112 |
4 | 320310331331 |
5 | 12303201041 |
6 | 1251143405 |
7 | 240423356 |
oct | 70647575 |
9 | 31024775 |
10 | 14897021 |
11 | 8455397 |
12 | 4ba4b65 |
13 | 3117809 |
14 | 1d9ad2d |
15 | 1493deb |
hex | e34f7d |
14897021 has 2 divisors, whose sum is σ = 14897022. Its totient is φ = 14897020.
The previous prime is 14897017. The next prime is 14897023. The reversal of 14897021 is 12079841.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 13060996 + 1836025 = 3614^2 + 1355^2 .
It is a cyclic number.
It is not a de Polignac number, because 14897021 - 22 = 14897017 is a prime.
Together with 14897023, it forms a pair of twin primes.
It is a Chen prime.
It is equal to p964517 and since 14897021 and 964517 have the same sum of digits, it is a Honaker prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14897023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7448510 + 7448511.
It is an arithmetic number, because the mean of its divisors is an integer number (7448511).
Almost surely, 214897021 is an apocalyptic number.
It is an amenable number.
14897021 is a deficient number, since it is larger than the sum of its proper divisors (1).
14897021 is an equidigital number, since it uses as much as digits as its factorization.
14897021 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4032, while the sum is 32.
The square root of 14897021 is about 3859.6659181851. The cubic root of 14897021 is about 246.0555375082.
The spelling of 14897021 in words is "fourteen million, eight hundred ninety-seven thousand, twenty-one".
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