Base | Representation |
---|---|
bin | 1000000111100… |
… | …11110111100010 |
3 | 11202011020021010 |
4 | 10003303313202 |
5 | 114413421441 |
6 | 10431441350 |
7 | 1454622600 |
oct | 403636742 |
9 | 152136233 |
10 | 68107746 |
11 | 354993a3 |
12 | 1a986256 |
13 | 11158455 |
14 | 908c870 |
15 | 5ea5116 |
hex | 40f3de2 |
68107746 has 48 divisors (see below), whose sum is σ = 167787936. Its totient is φ = 18313344.
The previous prime is 68107727. The next prime is 68107783. The reversal of 68107746 is 64770186.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1816 + ... + 11811.
It is an arithmetic number, because the mean of its divisors is an integer number (3495582).
Almost surely, 268107746 is an apocalyptic number.
68107746 is an abundant number, since it is smaller than the sum of its proper divisors (99680190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68107746 is a wasteful number, since it uses less digits than its factorization.
68107746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13663 (or 13656 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 39.
The square root of 68107746 is about 8252.7417262386. The cubic root of 68107746 is about 408.3809758470.
The spelling of 68107746 in words is "sixty-eight million, one hundred seven thousand, seven hundred forty-six".
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