Base | Representation |
---|---|
bin | 1000001100011… |
… | …01010100011101 |
3 | 11210100011110100 |
4 | 10012031110131 |
5 | 120044030120 |
6 | 10453131313 |
7 | 1463151222 |
oct | 406152435 |
9 | 153304410 |
10 | 68736285 |
11 | 35888652 |
12 | 1b029b39 |
13 | 11318577 |
14 | 91b3949 |
15 | 607b490 |
hex | 418d51d |
68736285 has 24 divisors (see below), whose sum is σ = 119886624. Its totient is φ = 36430560.
The previous prime is 68736277. The next prime is 68736301. The reversal of 68736285 is 58263786.
It is not a de Polignac number, because 68736285 - 23 = 68736277 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 68736285.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2650 + ... + 12020.
It is an arithmetic number, because the mean of its divisors is an integer number (4995276).
Almost surely, 268736285 is an apocalyptic number.
It is an amenable number.
68736285 is a deficient number, since it is larger than the sum of its proper divisors (51150339).
68736285 is a wasteful number, since it uses less digits than its factorization.
68736285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9545 (or 9542 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 68736285 is about 8290.7348890192. The cubic root of 68736285 is about 409.6333922978.
The spelling of 68736285 in words is "sixty-eight million, seven hundred thirty-six thousand, two hundred eighty-five".
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