Base | Representation |
---|---|
bin | 1011010001110… |
… | …0001100001101 |
3 | 10022000011022022 |
4 | 2310130030031 |
5 | 44102121024 |
6 | 4405455525 |
7 | 1113024632 |
oct | 264341415 |
9 | 108004268 |
10 | 47301389 |
11 | 24778263 |
12 | 13a115a5 |
13 | 9a51cb5 |
14 | 63d4189 |
15 | 424535e |
hex | 2d1c30d |
47301389 has 2 divisors, whose sum is σ = 47301390. Its totient is φ = 47301388.
The previous prime is 47301379. The next prime is 47301403. The reversal of 47301389 is 98310374.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 24900100 + 22401289 = 4990^2 + 4733^2 .
It is a cyclic number.
It is not a de Polignac number, because 47301389 - 220 = 46252813 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47301379) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23650694 + 23650695.
It is an arithmetic number, because the mean of its divisors is an integer number (23650695).
Almost surely, 247301389 is an apocalyptic number.
It is an amenable number.
47301389 is a deficient number, since it is larger than the sum of its proper divisors (1).
47301389 is an equidigital number, since it uses as much as digits as its factorization.
47301389 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18144, while the sum is 35.
The square root of 47301389 is about 6877.6005263464. The cubic root of 47301389 is about 361.6523554215.
The spelling of 47301389 in words is "forty-seven million, three hundred one thousand, three hundred eighty-nine".
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