Base | Representation |
---|---|
bin | 1000001001000… |
… | …01011010010101 |
3 | 11202111201011021 |
4 | 10010201122111 |
5 | 114440404133 |
6 | 10435441141 |
7 | 1456330504 |
oct | 404413225 |
9 | 152451137 |
10 | 68294293 |
11 | 35606571 |
12 | 1aa561b1 |
13 | 111c2332 |
14 | 90da83b |
15 | 5ee052d |
hex | 4121695 |
68294293 has 2 divisors, whose sum is σ = 68294294. Its totient is φ = 68294292.
The previous prime is 68294279. The next prime is 68294311. The reversal of 68294293 is 39249286.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 57653649 + 10640644 = 7593^2 + 3262^2 .
It is a cyclic number.
It is not a de Polignac number, because 68294293 - 29 = 68293781 is a prime.
It is a super-4 number, since 4×682942934 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (68294893) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34147146 + 34147147.
It is an arithmetic number, because the mean of its divisors is an integer number (34147147).
Almost surely, 268294293 is an apocalyptic number.
It is an amenable number.
68294293 is a deficient number, since it is larger than the sum of its proper divisors (1).
68294293 is an equidigital number, since it uses as much as digits as its factorization.
68294293 is an evil number, because the sum of its binary digits is even.
The product of its digits is 186624, while the sum is 43.
The square root of 68294293 is about 8264.0361204438. The cubic root of 68294293 is about 408.7534875492.
The spelling of 68294293 in words is "sixty-eight million, two hundred ninety-four thousand, two hundred ninety-three".
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