Base | Representation |
---|---|
bin | 1000001100011… |
… | …11011000000000 |
3 | 11210100121000011 |
4 | 10012033120000 |
5 | 120044312304 |
6 | 10453234304 |
7 | 1463214610 |
oct | 406173000 |
9 | 153317004 |
10 | 68744704 |
11 | 35893a06 |
12 | 1b032994 |
13 | 1131c352 |
14 | 91b6a40 |
15 | 607dc04 |
hex | 418f600 |
68744704 has 40 divisors (see below), whose sum is σ = 156985488. Its totient is φ = 29460480.
The previous prime is 68744699. The next prime is 68744729. The reversal of 68744704 is 40744786.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007 + ... + 13174.
Almost surely, 268744704 is an apocalyptic number.
68744704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
It is an amenable number.
68744704 is an abundant number, since it is smaller than the sum of its proper divisors (88240784).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68744704 is an equidigital number, since it uses as much as digits as its factorization.
68744704 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19206 (or 19190 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 40.
The square root of 68744704 is about 8291.2426089218. The cubic root of 68744704 is about 409.6501159382.
The spelling of 68744704 in words is "sixty-eight million, seven hundred forty-four thousand, seven hundred four".
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