Base | Representation |
---|---|
bin | 1000000110111… |
… | …11011110000100 |
3 | 11201222222122200 |
4 | 10003133132010 |
5 | 114403233241 |
6 | 10425554500 |
7 | 1454124162 |
oct | 403373604 |
9 | 151888580 |
10 | 68024196 |
11 | 35441649 |
12 | 1a945a30 |
13 | 11129406 |
14 | 906a232 |
15 | 5e8a4b6 |
hex | 40df784 |
68024196 has 18 divisors (see below), whose sum is σ = 171950142. Its totient is φ = 22674720.
The previous prime is 68024189. The next prime is 68024197. The reversal of 68024196 is 69142086.
It can be written as a sum of positive squares in only one way, i.e., 42380100 + 25644096 = 6510^2 + 5064^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1889561 = 68024196 / (6 + 8 + 0 + 2 + 4 + 1 + 9 + 6).
It is a self number, because there is not a number n which added to its sum of digits gives 68024196.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68024197) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 944745 + ... + 944816.
Almost surely, 268024196 is an apocalyptic number.
It is an amenable number.
68024196 is an abundant number, since it is smaller than the sum of its proper divisors (103925946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68024196 is a wasteful number, since it uses less digits than its factorization.
68024196 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1889571 (or 1889566 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 68024196 is about 8247.6782187474. The cubic root of 68024196 is about 408.2139160817.
The spelling of 68024196 in words is "sixty-eight million, twenty-four thousand, one hundred ninety-six".
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