Base | Representation |
---|---|
bin | 1000001000000… |
… | …01011100001110 |
3 | 11202021001112020 |
4 | 10010001130032 |
5 | 114422211332 |
6 | 10432551010 |
7 | 1455243642 |
oct | 404013416 |
9 | 152231466 |
10 | 68163342 |
11 | 35527145 |
12 | 1a9b2466 |
13 | 11177850 |
14 | 90a4c22 |
15 | 5eb682c |
hex | 410170e |
68163342 has 32 divisors (see below), whose sum is σ = 150235008. Its totient is φ = 20484576.
The previous prime is 68163331. The next prime is 68163343. The reversal of 68163342 is 24336186.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68163343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6808 + ... + 13515.
It is an arithmetic number, because the mean of its divisors is an integer number (4694844).
Almost surely, 268163342 is an apocalyptic number.
68163342 is an abundant number, since it is smaller than the sum of its proper divisors (82071666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68163342 is a wasteful number, since it uses less digits than its factorization.
68163342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20384.
The product of its digits is 20736, while the sum is 33.
The square root of 68163342 is about 8256.1093742755. The cubic root of 68163342 is about 408.4920653830.
The spelling of 68163342 in words is "sixty-eight million, one hundred sixty-three thousand, three hundred forty-two".
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