Base | Representation |
---|---|
bin | 1000001010110… |
… | …01100110100100 |
3 | 11202221101212200 |
4 | 10011121212210 |
5 | 120020240302 |
6 | 10444414500 |
7 | 1461306513 |
oct | 405314644 |
9 | 152841780 |
10 | 68524452 |
11 | 35753487 |
12 | 1ab47430 |
13 | 11273019 |
14 | 915a67a |
15 | 603881c |
hex | 41599a4 |
68524452 has 36 divisors (see below), whose sum is σ = 180747840. Its totient is φ = 21848112.
The previous prime is 68524447. The next prime is 68524453. The reversal of 68524452 is 25442586.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (68524453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40552 + ... + 42207.
Almost surely, 268524452 is an apocalyptic number.
It is an amenable number.
68524452 is an abundant number, since it is smaller than the sum of its proper divisors (112223388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68524452 is a wasteful number, since it uses less digits than its factorization.
68524452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82792 (or 82787 counting only the distinct ones).
The product of its digits is 76800, while the sum is 36.
The square root of 68524452 is about 8277.9497461630. The cubic root of 68524452 is about 409.2121535306.
The spelling of 68524452 in words is "sixty-eight million, five hundred twenty-four thousand, four hundred fifty-two".
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