Base | Representation |
---|---|
bin | 1000000110111… |
… | …10110011011010 |
3 | 11201222211220120 |
4 | 10003132303122 |
5 | 114403141331 |
6 | 10425534110 |
7 | 1454113212 |
oct | 403366332 |
9 | 151884816 |
10 | 68021466 |
11 | 3543a597 |
12 | 1a944336 |
13 | 111280b6 |
14 | 9069242 |
15 | 5e89796 |
hex | 40decda |
68021466 has 32 divisors (see below), whose sum is σ = 142038528. Its totient is φ = 21695040.
The previous prime is 68021453. The next prime is 68021489. The reversal of 68021466 is 66412086.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11031 + ... + 16053.
It is an arithmetic number, because the mean of its divisors is an integer number (4438704).
Almost surely, 268021466 is an apocalyptic number.
68021466 is an abundant number, since it is smaller than the sum of its proper divisors (74017062).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68021466 is a wasteful number, since it uses less digits than its factorization.
68021466 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5126.
The product of its (nonzero) digits is 13824, while the sum is 33.
The square root of 68021466 is about 8247.5127159647. The cubic root of 68021466 is about 408.2084550890.
The spelling of 68021466 in words is "sixty-eight million, twenty-one thousand, four hundred sixty-six".
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