Base | Representation |
---|---|
bin | 1000001000101… |
… | …11000010110100 |
3 | 11202102112220111 |
4 | 10010113002310 |
5 | 114433024303 |
6 | 10434512404 |
7 | 1456062631 |
oct | 404270264 |
9 | 152375814 |
10 | 68251828 |
11 | 35587677 |
12 | 1aa35704 |
13 | 111a8bc8 |
14 | 90c9188 |
15 | 5ed2b6d |
hex | 41170b4 |
68251828 has 24 divisors (see below), whose sum is σ = 124517792. Its totient is φ = 32703264.
The previous prime is 68251789. The next prime is 68251837. The reversal of 68251828 is 82815286.
It is a happy number.
It is a super-3 number, since 3×682518283 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6475 + ... + 13357.
Almost surely, 268251828 is an apocalyptic number.
It is an amenable number.
68251828 is a deficient number, since it is larger than the sum of its proper divisors (56265964).
68251828 is a wasteful number, since it uses less digits than its factorization.
68251828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6991 (or 6989 counting only the distinct ones).
The product of its digits is 61440, while the sum is 40.
The square root of 68251828 is about 8261.4664557813. The cubic root of 68251828 is about 408.6687497916.
The spelling of 68251828 in words is "sixty-eight million, two hundred fifty-one thousand, eight hundred twenty-eight".
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