Base | Representation |
---|---|
bin | 1000001100000… |
… | …01000000011110 |
3 | 11210020121021112 |
4 | 10012001000132 |
5 | 120040421404 |
6 | 10452102022 |
7 | 1462551206 |
oct | 406010036 |
9 | 153217245 |
10 | 68685854 |
11 | 35853776 |
12 | 1b004912 |
13 | 112cb623 |
14 | 919d406 |
15 | 606b56e |
hex | 418101e |
68685854 has 8 divisors (see below), whose sum is σ = 104566728. Its totient is φ = 33830280.
The previous prime is 68685811. The next prime is 68685907. The reversal of 68685854 is 45858686.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256157 + ... + 256424.
It is an arithmetic number, because the mean of its divisors is an integer number (13070841).
Almost surely, 268685854 is an apocalyptic number.
68685854 is a deficient number, since it is larger than the sum of its proper divisors (35880874).
68685854 is a wasteful number, since it uses less digits than its factorization.
68685854 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 512650.
The product of its digits is 1843200, while the sum is 50.
The square root of 68685854 is about 8287.6929238480. The cubic root of 68685854 is about 409.5331867276.
The spelling of 68685854 in words is "sixty-eight million, six hundred eighty-five thousand, eight hundred fifty-four".
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