Base | Representation |
---|---|
bin | 1000001101011… |
… | …00011000100100 |
3 | 11210120121222220 |
4 | 10012230120210 |
5 | 120112113044 |
6 | 10455552340 |
7 | 1464221202 |
oct | 406543044 |
9 | 153517886 |
10 | 68863524 |
11 | 35965204 |
12 | 1b08b6b0 |
13 | 11361462 |
14 | 9208072 |
15 | 60a4019 |
hex | 41ac624 |
68863524 has 48 divisors (see below), whose sum is σ = 174612480. Its totient is φ = 21042720.
The previous prime is 68863499. The next prime is 68863537. The reversal of 68863524 is 42536886.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2197 + ... + 11939.
It is an arithmetic number, because the mean of its divisors is an integer number (3637760).
Almost surely, 268863524 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68863524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87306240).
68863524 is an abundant number, since it is smaller than the sum of its proper divisors (105748956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68863524 is a wasteful number, since it uses less digits than its factorization.
68863524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9800 (or 9798 counting only the distinct ones).
The product of its digits is 276480, while the sum is 42.
The square root of 68863524 is about 8298.4049069686. The cubic root of 68863524 is about 409.8859964613.
The spelling of 68863524 in words is "sixty-eight million, eight hundred sixty-three thousand, five hundred twenty-four".
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