Base | Representation |
---|---|
bin | 1000000111010… |
… | …01111001010100 |
3 | 11202002011020022 |
4 | 10003221321110 |
5 | 114411120100 |
6 | 10430524312 |
7 | 1454362526 |
oct | 403517124 |
9 | 152064208 |
10 | 68066900 |
11 | 35470740 |
12 | 1a966698 |
13 | 11142995 |
14 | 907ba16 |
15 | 5e97e85 |
hex | 40e9e54 |
68066900 has 36 divisors (see below), whose sum is σ = 161135520. Its totient is φ = 24751200.
The previous prime is 68066899. The next prime is 68066981. The reversal of 68066900 is 966086.
It is a super-2 number, since 2×680669002 = 9266205751220000, which contains 22 as substring.
It is a congruent number.
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, 29840 + ... + 32039.
Almost surely, 268066900 is an apocalyptic number.
It is an amenable number.
68066900 is an abundant number, since it is smaller than the sum of its proper divisors (93068620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68066900 is a wasteful number, since it uses less digits than its factorization.
68066900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61904 (or 61897 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 68066900 is about 8250.2666623570. The cubic root of 68066900 is about 408.2993205970.
The spelling of 68066900 in words is "sixty-eight million, sixty-six thousand, nine hundred".
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