Base | Representation |
---|---|
bin | 1000001101001… |
… | …10011001011010 |
3 | 11210112101100200 |
4 | 10012212121122 |
5 | 120110322002 |
6 | 10455243030 |
7 | 1464056541 |
oct | 406463132 |
9 | 153471320 |
10 | 68839002 |
11 | 35948841 |
12 | 1b079476 |
13 | 1135324b |
14 | 91dd158 |
15 | 609bb1c |
hex | 41a665a |
68839002 has 24 divisors (see below), whose sum is σ = 149344884. Its totient is φ = 22916544.
The previous prime is 68838989. The next prime is 68839013. The reversal of 68839002 is 20093886.
It can be written as a sum of positive squares in 2 ways, for example, as 67420521 + 1418481 = 8211^2 + 1191^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15148 + ... + 19160.
Almost surely, 268839002 is an apocalyptic number.
68839002 is an abundant number, since it is smaller than the sum of its proper divisors (80505882).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68839002 is a wasteful number, since it uses less digits than its factorization.
68839002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4974 (or 4971 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 68839002 is about 8296.9272625473. The cubic root of 68839002 is about 409.8373378143.
The spelling of 68839002 in words is "sixty-eight million, eight hundred thirty-nine thousand, two".
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