Base | Representation |
---|---|
bin | 1000001101100… |
… | …01100110100110 |
3 | 11210121201022200 |
4 | 10012301212212 |
5 | 120113304102 |
6 | 10500235330 |
7 | 1464340422 |
oct | 406614646 |
9 | 153551280 |
10 | 68884902 |
11 | 3597a279 |
12 | 1b09bb46 |
13 | 1136b0c8 |
14 | 9211b82 |
15 | 60aa51c |
hex | 41b19a6 |
68884902 has 24 divisors (see below), whose sum is σ = 149792760. Its totient is φ = 22878240.
The previous prime is 68884897. The next prime is 68884903. The reversal of 68884902 is 20948886.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68884903) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1752 + ... + 11867.
It is an arithmetic number, because the mean of its divisors is an integer number (6241365).
Almost surely, 268884902 is an apocalyptic number.
68884902 is an abundant number, since it is smaller than the sum of its proper divisors (80907858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68884902 is a wasteful number, since it uses less digits than its factorization.
68884902 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13908 (or 13905 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 45.
The square root of 68884902 is about 8299.6928858844. The cubic root of 68884902 is about 409.9284070909.
The spelling of 68884902 in words is "sixty-eight million, eight hundred eighty-four thousand, nine hundred two".
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