Base | Representation |
---|---|
bin | 1000001101000… |
… | …10100101011011 |
3 | 11210111120221100 |
4 | 10012202211123 |
5 | 120104322022 |
6 | 10455042443 |
7 | 1463663163 |
oct | 406424533 |
9 | 153446840 |
10 | 68823387 |
11 | 35938036 |
12 | 1b070423 |
13 | 113490c9 |
14 | 91d75a3 |
15 | 60971ac |
hex | 41a295b |
68823387 has 12 divisors (see below), whose sum is σ = 99537984. Its totient is φ = 45823920.
The previous prime is 68823283. The next prime is 68823389. The reversal of 68823387 is 78332886.
It is not a de Polignac number, because 68823387 - 211 = 68821339 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68823389) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3337 + ... + 12197.
It is an arithmetic number, because the mean of its divisors is an integer number (8294832).
Almost surely, 268823387 is an apocalyptic number.
68823387 is a deficient number, since it is larger than the sum of its proper divisors (30714597).
68823387 is a wasteful number, since it uses less digits than its factorization.
68823387 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9730 (or 9727 counting only the distinct ones).
The product of its digits is 387072, while the sum is 45.
The square root of 68823387 is about 8295.9861981563. The cubic root of 68823387 is about 409.8063471753.
The spelling of 68823387 in words is "sixty-eight million, eight hundred twenty-three thousand, three hundred eighty-seven".
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