Base | Representation |
---|---|
bin | 1000001110001… |
… | …11010100011111 |
3 | 11210210020100020 |
4 | 10013013110133 |
5 | 120124130410 |
6 | 10502203223 |
7 | 1465160646 |
oct | 407072437 |
9 | 153706306 |
10 | 68973855 |
11 | 35a30095 |
12 | 1b123513 |
13 | 1139c742 |
14 | 923635d |
15 | 60c6a70 |
hex | 41c751f |
68973855 has 8 divisors (see below), whose sum is σ = 110358192. Its totient is φ = 36786048.
The previous prime is 68973833. The next prime is 68973871. The reversal of 68973855 is 55837986.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 68973855 - 25 = 68973823 is a prime.
It is a super-2 number, since 2×689738552 = 9514785347122050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 68973798 and 68973807.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299114 + ... + 2299143.
It is an arithmetic number, because the mean of its divisors is an integer number (13794774).
Almost surely, 268973855 is an apocalyptic number.
68973855 is a deficient number, since it is larger than the sum of its proper divisors (41384337).
68973855 is a wasteful number, since it uses less digits than its factorization.
68973855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4598265.
The product of its digits is 1814400, while the sum is 51.
The square root of 68973855 is about 8305.0499697473. The cubic root of 68973855 is about 410.1047818647.
The spelling of 68973855 in words is "sixty-eight million, nine hundred seventy-three thousand, eight hundred fifty-five".
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