Base | Representation |
---|---|
bin | 1000000110110… |
… | …10101100110111 |
3 | 11201221222212020 |
4 | 10003122230313 |
5 | 114402122123 |
6 | 10425324223 |
7 | 1454013216 |
oct | 403325467 |
9 | 151858766 |
10 | 68004663 |
11 | 35428a01 |
12 | 1a936673 |
13 | 1112055c |
14 | 906307d |
15 | 5e847e3 |
hex | 40dab37 |
68004663 has 8 divisors (see below), whose sum is σ = 91608048. Its totient is φ = 44868864.
The previous prime is 68004661. The next prime is 68004679. The reversal of 68004663 is 36640086.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68004663 - 21 = 68004661 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68004661) 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, 116556 + ... + 117137.
It is an arithmetic number, because the mean of its divisors is an integer number (11451006).
Almost surely, 268004663 is an apocalyptic number.
68004663 is a deficient number, since it is larger than the sum of its proper divisors (23603385).
68004663 is a wasteful number, since it uses less digits than its factorization.
68004663 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 233793.
The product of its (nonzero) digits is 20736, while the sum is 33.
The square root of 68004663 is about 8246.4939822933. The cubic root of 68004663 is about 408.1748397617.
The spelling of 68004663 in words is "sixty-eight million, four thousand, six hundred sixty-three".
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