Base | Representation |
---|---|
bin | 1000001000011… |
… | …00111001111100 |
3 | 11202100102221102 |
4 | 10010030321330 |
5 | 114430212200 |
6 | 10433552232 |
7 | 1455530564 |
oct | 404147174 |
9 | 152312842 |
10 | 68210300 |
11 | 35559454 |
12 | 1aa15678 |
13 | 11193032 |
14 | 90b7da4 |
15 | 5ec56d5 |
hex | 410ce7c |
68210300 has 36 divisors (see below), whose sum is σ = 148375920. Its totient is φ = 27217920.
The previous prime is 68210299. The next prime is 68210309. The reversal of 68210300 is 301286.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68210309) 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, 76457 + ... + 77343.
Almost surely, 268210300 is an apocalyptic number.
It is an amenable number.
68210300 is an abundant number, since it is smaller than the sum of its proper divisors (80165620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68210300 is a wasteful number, since it uses less digits than its factorization.
68210300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1670 (or 1663 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 68210300 is about 8258.9527181114. The cubic root of 68210300 is about 408.5858477920.
Adding to 68210300 its reverse (301286), we get a palindrome (68511586).
The spelling of 68210300 in words is "sixty-eight million, two hundred ten thousand, three hundred".
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