Base | Representation |
---|---|
bin | 1000001000001… |
… | …10011001001110 |
3 | 11202022002100122 |
4 | 10010012121032 |
5 | 114423334010 |
6 | 10433224542 |
7 | 1455360044 |
oct | 404063116 |
9 | 152262318 |
10 | 68183630 |
11 | 35540409 |
12 | 1aa02152 |
13 | 11183b58 |
14 | 90ac394 |
15 | 5ebc855 |
hex | 410664e |
68183630 has 8 divisors (see below), whose sum is σ = 122730552. Its totient is φ = 27273448.
The previous prime is 68183623. The next prime is 68183639. The reversal of 68183630 is 3638186.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68183639) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3409172 + ... + 3409191.
It is an arithmetic number, because the mean of its divisors is an integer number (15341319).
Almost surely, 268183630 is an apocalyptic number.
68183630 is a deficient number, since it is larger than the sum of its proper divisors (54546922).
68183630 is a wasteful number, since it uses less digits than its factorization.
68183630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6818370.
The product of its (nonzero) digits is 20736, while the sum is 35.
The square root of 68183630 is about 8257.3379487581. The cubic root of 68183630 is about 408.5325889484.
The spelling of 68183630 in words is "sixty-eight million, one hundred eighty-three thousand, six hundred thirty".
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