Base | Representation |
---|---|
bin | 1000001000110… |
… | …01110010110101 |
3 | 11202110010100201 |
4 | 10010121302311 |
5 | 114433404333 |
6 | 10435040501 |
7 | 1456140523 |
oct | 404316265 |
9 | 152403321 |
10 | 68263093 |
11 | 35595088 |
12 | 1aa40131 |
13 | 111b1082 |
14 | 90cd313 |
15 | 5ed617d |
hex | 4119cb5 |
68263093 has 2 divisors, whose sum is σ = 68263094. Its totient is φ = 68263092.
The previous prime is 68263081. The next prime is 68263157. The reversal of 68263093 is 39036286.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 52446564 + 15816529 = 7242^2 + 3977^2 .
It is a cyclic number.
It is not a de Polignac number, because 68263093 - 217 = 68132021 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68263193) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34131546 + 34131547.
It is an arithmetic number, because the mean of its divisors is an integer number (34131547).
Almost surely, 268263093 is an apocalyptic number.
It is an amenable number.
68263093 is a deficient number, since it is larger than the sum of its proper divisors (1).
68263093 is an equidigital number, since it uses as much as digits as its factorization.
68263093 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 46656, while the sum is 37.
The square root of 68263093 is about 8262.1482073369. The cubic root of 68263093 is about 408.6912322186.
The spelling of 68263093 in words is "sixty-eight million, two hundred sixty-three thousand, ninety-three".
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