Base | Representation |
---|---|
bin | 1000001000010… |
… | …11100010110111 |
3 | 11202100011022000 |
4 | 10010023202313 |
5 | 114430022402 |
6 | 10433510343 |
7 | 1455505413 |
oct | 404134267 |
9 | 152304260 |
10 | 68204727 |
11 | 35555248 |
12 | 1aa123b3 |
13 | 11190636 |
14 | 90b5d43 |
15 | 5ec3c1c |
hex | 410b8b7 |
68204727 has 32 divisors (see below), whose sum is σ = 105427200. Its totient is φ = 43537824.
The previous prime is 68204713. The next prime is 68204753. The reversal of 68204727 is 72740286.
It is not a de Polignac number, because 68204727 - 24 = 68204711 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 68204691 and 68204700.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68204707) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66424 + ... + 67442.
It is an arithmetic number, because the mean of its divisors is an integer number (3294600).
Almost surely, 268204727 is an apocalyptic number.
68204727 is a gapful number since it is divisible by the number (67) formed by its first and last digit.
68204727 is a deficient number, since it is larger than the sum of its proper divisors (37222473).
68204727 is a wasteful number, since it uses less digits than its factorization.
68204727 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1132 (or 1126 counting only the distinct ones).
The product of its (nonzero) digits is 37632, while the sum is 36.
The square root of 68204727 is about 8258.6153197736. The cubic root of 68204727 is about 408.5747198981.
The spelling of 68204727 in words is "sixty-eight million, two hundred four thousand, seven hundred twenty-seven".
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