Base | Representation |
---|---|
bin | 1000001100111… |
… | …10110111010010 |
3 | 11210110211000212 |
4 | 10012132313102 |
5 | 120103330041 |
6 | 10454444122 |
7 | 1463600561 |
oct | 406366722 |
9 | 153424025 |
10 | 68808146 |
11 | 35927640 |
12 | 1b063642 |
13 | 113421a4 |
14 | 91d1bd8 |
15 | 60928eb |
hex | 419edd2 |
68808146 has 16 divisors (see below), whose sum is σ = 119219040. Its totient is φ = 29436480.
The previous prime is 68808107. The next prime is 68808161. The reversal of 68808146 is 64180886.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91616 + ... + 92363.
It is an arithmetic number, because the mean of its divisors is an integer number (7451190).
Almost surely, 268808146 is an apocalyptic number.
68808146 is a deficient number, since it is larger than the sum of its proper divisors (50410894).
68808146 is a wasteful number, since it uses less digits than its factorization.
68808146 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 184009.
The product of its (nonzero) digits is 73728, while the sum is 41.
The square root of 68808146 is about 8295.0675705506. The cubic root of 68808146 is about 409.7760942825.
The spelling of 68808146 in words is "sixty-eight million, eight hundred eight thousand, one hundred forty-six".
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