Base | Representation |
---|---|
bin | 1011010110101… |
… | …1101011110001 |
3 | 10022121200221201 |
4 | 2311223223301 |
5 | 44143030433 |
6 | 4420451201 |
7 | 1115552131 |
oct | 265535361 |
9 | 108550851 |
10 | 47626993 |
11 | 2497a957 |
12 | 13b49b01 |
13 | 9b3726b |
14 | 647aac1 |
15 | 42aba7d |
hex | 2d6baf1 |
47626993 has 2 divisors, whose sum is σ = 47626994. Its totient is φ = 47626992.
The previous prime is 47626991. The next prime is 47627003. The reversal of 47626993 is 39962674.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 46131264 + 1495729 = 6792^2 + 1223^2 .
It is a cyclic number.
It is not a de Polignac number, because 47626993 - 21 = 47626991 is a prime.
Together with 47626991, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (47626991) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23813496 + 23813497.
It is an arithmetic number, because the mean of its divisors is an integer number (23813497).
Almost surely, 247626993 is an apocalyptic number.
It is an amenable number.
47626993 is a deficient number, since it is larger than the sum of its proper divisors (1).
47626993 is an equidigital number, since it uses as much as digits as its factorization.
47626993 is an evil number, because the sum of its binary digits is even.
The product of its digits is 489888, while the sum is 46.
The square root of 47626993 is about 6901.2312669552. The cubic root of 47626993 is about 362.4802823996.
The spelling of 47626993 in words is "forty-seven million, six hundred twenty-six thousand, nine hundred ninety-three".
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