Base | Representation |
---|---|
bin | 1000001000101… |
… | …01010110011000 |
3 | 11202102012101110 |
4 | 10010111112120 |
5 | 114432314023 |
6 | 10434420320 |
7 | 1456033455 |
oct | 404252630 |
9 | 152365343 |
10 | 68244888 |
11 | 35582438 |
12 | 1aa316a0 |
13 | 111a59ba |
14 | 90c682c |
15 | 5ed0a93 |
hex | 4115598 |
68244888 has 64 divisors (see below), whose sum is σ = 182246400. Its totient is φ = 21248640.
The previous prime is 68244871. The next prime is 68244889. The reversal of 68244888 is 88844286.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68244889) 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, 19995 + ... + 23157.
It is an arithmetic number, because the mean of its divisors is an integer number (2847600).
Almost surely, 268244888 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 68244888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91123200).
68244888 is an abundant number, since it is smaller than the sum of its proper divisors (114001512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68244888 is a wasteful number, since it uses less digits than its factorization.
68244888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3232 (or 3228 counting only the distinct ones).
The product of its digits is 786432, while the sum is 48.
The square root of 68244888 is about 8261.0464228208. The cubic root of 68244888 is about 408.6548978683.
The spelling of 68244888 in words is "sixty-eight million, two hundred forty-four thousand, eight hundred eighty-eight".
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