Base | Representation |
---|---|
bin | 1000001000111… |
… | …01111100101000 |
3 | 11202110222200202 |
4 | 10010131330220 |
5 | 114434430404 |
6 | 10435251332 |
7 | 1456241234 |
oct | 404357450 |
9 | 152428622 |
10 | 68280104 |
11 | 355a6942 |
12 | 1aa49b48 |
13 | 111b8a39 |
14 | 90d55c4 |
15 | 5edb21e |
hex | 411df28 |
68280104 has 16 divisors (see below), whose sum is σ = 132155520. Its totient is φ = 33038640.
The previous prime is 68280103. The next prime is 68280131. The reversal of 68280104 is 40108286.
It is not an unprimeable number, because it can be changed into a prime (68280101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137414 + ... + 137909.
It is an arithmetic number, because the mean of its divisors is an integer number (8259720).
Almost surely, 268280104 is an apocalyptic number.
It is an amenable number.
68280104 is a deficient number, since it is larger than the sum of its proper divisors (63875416).
68280104 is a wasteful number, since it uses less digits than its factorization.
68280104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 275360 (or 275356 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 29.
The square root of 68280104 is about 8263.1775970265. The cubic root of 68280104 is about 408.7251776925.
The spelling of 68280104 in words is "sixty-eight million, two hundred eighty thousand, one hundred four".
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