Base | Representation |
---|---|
bin | 1000001001000… |
… | …00100111011100 |
3 | 11202111112200122 |
4 | 10010200213130 |
5 | 114440303121 |
6 | 10435414112 |
7 | 1456315142 |
oct | 404404734 |
9 | 152445618 |
10 | 68291036 |
11 | 35604080 |
12 | 1aa54338 |
13 | 111c09c8 |
14 | 90d9592 |
15 | 5ede5ab |
hex | 41209dc |
68291036 has 24 divisors (see below), whose sum is σ = 130682496. Its totient is φ = 30967920.
The previous prime is 68291033. The next prime is 68291051. The reversal of 68291036 is 63019286.
It is a junction number, because it is equal to n+sod(n) for n = 68290987 and 68291005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68291033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19835 + ... + 23021.
It is an arithmetic number, because the mean of its divisors is an integer number (5445104).
Almost surely, 268291036 is an apocalyptic number.
It is an amenable number.
68291036 is a deficient number, since it is larger than the sum of its proper divisors (62391460).
68291036 is a wasteful number, since it uses less digits than its factorization.
68291036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3689 (or 3687 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 68291036 is about 8263.8390594203. The cubic root of 68291036 is about 408.7469895379.
The spelling of 68291036 in words is "sixty-eight million, two hundred ninety-one thousand, thirty-six".
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