Base | Representation |
---|---|
bin | 1000001110000… |
… | …00100111011101 |
3 | 11210201211200021 |
4 | 10013000213131 |
5 | 120122241042 |
6 | 10501432141 |
7 | 1465014622 |
oct | 407004735 |
9 | 153654607 |
10 | 68946397 |
11 | 35a114a3 |
12 | 1b10b651 |
13 | 113900b0 |
14 | 922a349 |
15 | 60bd867 |
hex | 41c09dd |
68946397 has 8 divisors (see below), whose sum is σ = 75509280. Its totient is φ = 62563440.
The previous prime is 68946391. The next prime is 68946401. The reversal of 68946397 is 79364986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 68946397 - 211 = 68944349 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68946391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44179 + ... + 45712.
It is an arithmetic number, because the mean of its divisors is an integer number (9438660).
Almost surely, 268946397 is an apocalyptic number.
It is an amenable number.
68946397 is a deficient number, since it is larger than the sum of its proper divisors (6562883).
68946397 is a wasteful number, since it uses less digits than its factorization.
68946397 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89963.
The product of its digits is 1959552, while the sum is 52.
The square root of 68946397 is about 8303.3967145982. The cubic root of 68946397 is about 410.0503547117.
The spelling of 68946397 in words is "sixty-eight million, nine hundred forty-six thousand, three hundred ninety-seven".
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