Base | Representation |
---|---|
bin | 1000001000110… |
… | …00111010111100 |
3 | 11202102221110020 |
4 | 10010120322330 |
5 | 114433301031 |
6 | 10435012140 |
7 | 1456124223 |
oct | 404307274 |
9 | 152387406 |
10 | 68259516 |
11 | 35592426 |
12 | 1aa3a050 |
13 | 111ac560 |
14 | 90cbcba |
15 | 5ed5096 |
hex | 4118ebc |
68259516 has 48 divisors (see below), whose sum is σ = 172048800. Its totient is φ = 20938752.
The previous prime is 68259511. The next prime is 68259517. The reversal of 68259516 is 61595286.
68259516 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
68259516 is strictly pandigital in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68259511) 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, 88380 + ... + 89148.
It is an arithmetic number, because the mean of its divisors is an integer number (3584350).
Almost surely, 268259516 is an apocalyptic number.
It is an amenable number.
68259516 is an abundant number, since it is smaller than the sum of its proper divisors (103789284).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68259516 is a wasteful number, since it uses less digits than its factorization.
68259516 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).
The product of its digits is 129600, while the sum is 42.
The square root of 68259516 is about 8261.9317353752. The cubic root of 68259516 is about 408.6840935926.
The spelling of 68259516 in words is "sixty-eight million, two hundred fifty-nine thousand, five hundred sixteen".
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