Base | Representation |
---|---|
bin | 1000001000100… |
… | …10101111010101 |
3 | 11202101122201111 |
4 | 10010102233111 |
5 | 114431443242 |
6 | 10434255021 |
7 | 1455660343 |
oct | 404225725 |
9 | 152348644 |
10 | 68234197 |
11 | 355753a9 |
12 | 1aa27471 |
13 | 111a0b85 |
14 | 90c2993 |
15 | 5ecc817 |
hex | 4112bd5 |
68234197 has 2 divisors, whose sum is σ = 68234198. Its totient is φ = 68234196.
The previous prime is 68234189. The next prime is 68234203. The reversal of 68234197 is 79143286.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 65431921 + 2802276 = 8089^2 + 1674^2 .
It is a cyclic number.
It is not a de Polignac number, because 68234197 - 23 = 68234189 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68234137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34117098 + 34117099.
It is an arithmetic number, because the mean of its divisors is an integer number (34117099).
Almost surely, 268234197 is an apocalyptic number.
It is an amenable number.
68234197 is a deficient number, since it is larger than the sum of its proper divisors (1).
68234197 is an equidigital number, since it uses as much as digits as its factorization.
68234197 is an evil number, because the sum of its binary digits is even.
The product of its digits is 72576, while the sum is 40.
The square root of 68234197 is about 8260.3993244879. The cubic root of 68234197 is about 408.6335572825.
The spelling of 68234197 in words is "sixty-eight million, two hundred thirty-four thousand, one hundred ninety-seven".
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