Base | Representation |
---|---|
bin | 1000001000101… |
… | …00010111010010 |
3 | 11202101222211220 |
4 | 10010110113102 |
5 | 114432201400 |
6 | 10434345510 |
7 | 1456015626 |
oct | 404242722 |
9 | 152358756 |
10 | 68240850 |
11 | 3557a3a7 |
12 | 1aa2b296 |
13 | 111a3c02 |
14 | 90c5186 |
15 | 5ece7a0 |
hex | 41145d2 |
68240850 has 48 divisors (see below), whose sum is σ = 169944480. Its totient is φ = 18121600.
The previous prime is 68240849. The next prime is 68240863. The reversal of 68240850 is 5804286.
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, 41341 + ... + 42959.
It is an arithmetic number, because the mean of its divisors is an integer number (3540510).
Almost surely, 268240850 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68240850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84972240).
68240850 is an abundant number, since it is smaller than the sum of its proper divisors (101703630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68240850 is a wasteful number, since it uses less digits than its factorization.
68240850 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1915 (or 1910 counting only the distinct ones).
The product of its (nonzero) digits is 15360, while the sum is 33.
The square root of 68240850 is about 8260.8020191747. The cubic root of 68240850 is about 408.6468377725.
The spelling of 68240850 in words is "sixty-eight million, two hundred forty thousand, eight hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •