Base | Representation |
---|---|
bin | 11001100100001… |
… | …011001001101111 |
3 | 1002220002001101102 |
4 | 121210023021233 |
5 | 1334300211023 |
6 | 110321033315 |
7 | 13425462662 |
oct | 3144131157 |
9 | 1086061342 |
10 | 428913263 |
11 | 200123979 |
12 | bb78583b |
13 | 6ab25a3c |
14 | 40d6d6d9 |
15 | 279c5628 |
hex | 1990b26f |
428913263 has 2 divisors, whose sum is σ = 428913264. Its totient is φ = 428913262.
The previous prime is 428913227. The next prime is 428913271. The reversal of 428913263 is 362319824.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 428913263 - 28 = 428913007 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (428913203) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214456631 + 214456632.
It is an arithmetic number, because the mean of its divisors is an integer number (214456632).
Almost surely, 2428913263 is an apocalyptic number.
428913263 is a deficient number, since it is larger than the sum of its proper divisors (1).
428913263 is an equidigital number, since it uses as much as digits as its factorization.
428913263 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 62208, while the sum is 38.
The square root of 428913263 is about 20710.2212204505. The cubic root of 428913263 is about 754.1478407858.
The spelling of 428913263 in words is "four hundred twenty-eight million, nine hundred thirteen thousand, two hundred sixty-three".
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