Base | Representation |
---|---|
bin | 1000001010001… |
… | …00000110010100 |
3 | 11202202221001110 |
4 | 10011010012110 |
5 | 120004430442 |
6 | 10442455020 |
7 | 1460461644 |
oct | 405040624 |
9 | 152687043 |
10 | 68436372 |
11 | 356a3294 |
12 | 1ab04470 |
13 | 11241bc4 |
14 | 9136524 |
15 | 601c69c |
hex | 4144194 |
68436372 has 48 divisors (see below), whose sum is σ = 162993600. Its totient is φ = 22344960.
The previous prime is 68436343. The next prime is 68436383. The reversal of 68436372 is 27363486.
68436372 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.
68436372 is strictly pandigital in base 9.
It is a self number, because there is not a number n which added to its sum of digits gives 68436372.
It is a congruent number.
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, 148222 + ... + 148682.
It is an arithmetic number, because the mean of its divisors is an integer number (3395700).
Almost surely, 268436372 is an apocalyptic number.
It is an amenable number.
68436372 is an abundant number, since it is smaller than the sum of its proper divisors (94557228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68436372 is a wasteful number, since it uses less digits than its factorization.
68436372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696 (or 694 counting only the distinct ones).
The product of its digits is 145152, while the sum is 39.
The square root of 68436372 is about 8272.6278775248. The cubic root of 68436372 is about 409.0367472358.
The spelling of 68436372 in words is "sixty-eight million, four hundred thirty-six thousand, three hundred seventy-two".
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