Base | Representation |
---|---|
bin | 1000001000100… |
… | …01011010111101 |
3 | 11202101101022111 |
4 | 10010101122331 |
5 | 114431310142 |
6 | 10434214021 |
7 | 1455635530 |
oct | 404213275 |
9 | 152341274 |
10 | 68228797 |
11 | 3557133a |
12 | 1aa24311 |
13 | 1119b590 |
14 | 90c0a17 |
15 | 5ecae17 |
hex | 41116bd |
68228797 has 16 divisors (see below), whose sum is σ = 86026752. Its totient is φ = 52663680.
The previous prime is 68228789. The next prime is 68228813. The reversal of 68228797 is 79782286.
It is not a de Polignac number, because 68228797 - 23 = 68228789 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68228797.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68228707) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5413 + ... + 12874.
It is an arithmetic number, because the mean of its divisors is an integer number (5376672).
Almost surely, 268228797 is an apocalyptic number.
It is an amenable number.
68228797 is a deficient number, since it is larger than the sum of its proper divisors (17797955).
68228797 is a wasteful number, since it uses less digits than its factorization.
68228797 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18348.
The product of its digits is 677376, while the sum is 49.
The square root of 68228797 is about 8260.0724573093. The cubic root of 68228797 is about 408.6227773534.
The spelling of 68228797 in words is "sixty-eight million, two hundred twenty-eight thousand, seven hundred ninety-seven".
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