Base | Representation |
---|---|
bin | 1000000111000… |
… | …11000001100000 |
3 | 11202000201121210 |
4 | 10003203001200 |
5 | 114404220002 |
6 | 10430150120 |
7 | 1454214465 |
oct | 403430140 |
9 | 152021553 |
10 | 68038752 |
11 | 35451581 |
12 | 1a952340 |
13 | 11132c22 |
14 | 907166c |
15 | 5e8e96c |
hex | 40e3060 |
68038752 has 48 divisors (see below), whose sum is σ = 180774720. Its totient is φ = 22403712.
The previous prime is 68038723. The next prime is 68038787. The reversal of 68038752 is 25783086.
It is a tau number, because it is divible by the number of its divisors (48).
It is a self number, because there is not a number n which added to its sum of digits gives 68038752.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699 + ... + 12237.
It is an arithmetic number, because the mean of its divisors is an integer number (3766140).
Almost surely, 268038752 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 68038752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90387360).
68038752 is an abundant number, since it is smaller than the sum of its proper divisors (112735968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68038752 is a wasteful number, since it uses less digits than its factorization.
68038752 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8635 (or 8627 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 68038752 is about 8248.5606017050. The cubic root of 68038752 is about 408.2430309081.
The spelling of 68038752 in words is "sixty-eight million, thirty-eight thousand, seven hundred fifty-two".
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