Base | Representation |
---|---|
bin | 1000001011001… |
… | …11110111100111 |
3 | 11210001101000221 |
4 | 10011213313213 |
5 | 120024123022 |
6 | 10445545211 |
7 | 1461642052 |
oct | 405476747 |
9 | 153041027 |
10 | 68582887 |
11 | 3579337a |
12 | 1ab75207 |
13 | 112937b9 |
14 | 9173a99 |
15 | 604acc7 |
hex | 4167de7 |
68582887 has 2 divisors, whose sum is σ = 68582888. Its totient is φ = 68582886.
The previous prime is 68582863. The next prime is 68582897. The reversal of 68582887 is 78828586.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 68582887 - 223 = 60194279 is a prime.
It is a super-2 number, since 2×685828872 = 9407224778509538, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68582897) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34291443 + 34291444.
It is an arithmetic number, because the mean of its divisors is an integer number (34291444).
Almost surely, 268582887 is an apocalyptic number.
68582887 is a deficient number, since it is larger than the sum of its proper divisors (1).
68582887 is an equidigital number, since it uses as much as digits as its factorization.
68582887 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1720320, while the sum is 52.
The square root of 68582887 is about 8281.4785515631. The cubic root of 68582887 is about 409.3284405763.
The spelling of 68582887 in words is "sixty-eight million, five hundred eighty-two thousand, eight hundred eighty-seven".
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