Base | Representation |
---|---|
bin | 1000001100011… |
… | …10010011001110 |
3 | 11210100100222010 |
4 | 10012032103032 |
5 | 120044142202 |
6 | 10453202050 |
7 | 1463166021 |
oct | 406162316 |
9 | 153310863 |
10 | 68740302 |
11 | 35890674 |
12 | 1b030326 |
13 | 1131a347 |
14 | 91b51b8 |
15 | 607c76c |
hex | 418e4ce |
68740302 has 32 divisors (see below), whose sum is σ = 141724800. Its totient is φ = 22210848.
The previous prime is 68740291. The next prime is 68740303. The reversal of 68740302 is 20304786.
It is a self number, because there is not a number n which added to its sum of digits gives 68740302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68740303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92649 + ... + 93387.
It is an arithmetic number, because the mean of its divisors is an integer number (4428900).
Almost surely, 268740302 is an apocalyptic number.
68740302 is an abundant number, since it is smaller than the sum of its proper divisors (72984498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68740302 is a wasteful number, since it uses less digits than its factorization.
68740302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1200.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 68740302 is about 8290.9771438595. The cubic root of 68740302 is about 409.6413719032.
The spelling of 68740302 in words is "sixty-eight million, seven hundred forty thousand, three hundred two".
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