Base | Representation |
---|---|
bin | 1000001010100… |
… | …00001010001100 |
3 | 11202212102211002 |
4 | 10011100022030 |
5 | 120013021042 |
6 | 10443515432 |
7 | 1461055655 |
oct | 405201214 |
9 | 152772732 |
10 | 68485772 |
11 | 35727413 |
12 | 1ab28b78 |
13 | 1125b534 |
14 | 914a52c |
15 | 602c132 |
hex | 415028c |
68485772 has 6 divisors (see below), whose sum is σ = 119850108. Its totient is φ = 34242884.
The previous prime is 68485771. The next prime is 68485787. The reversal of 68485772 is 27758486.
It is not an unprimeable number, because it can be changed into a prime (68485771) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8560718 + ... + 8560725.
It is an arithmetic number, because the mean of its divisors is an integer number (19975018).
Almost surely, 268485772 is an apocalyptic number.
It is an amenable number.
68485772 is a deficient number, since it is larger than the sum of its proper divisors (51364336).
68485772 is a wasteful number, since it uses less digits than its factorization.
68485772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17121447 (or 17121445 counting only the distinct ones).
The product of its digits is 752640, while the sum is 47.
The square root of 68485772 is about 8275.6130890708. The cubic root of 68485772 is about 409.1351430388.
The spelling of 68485772 in words is "sixty-eight million, four hundred eighty-five thousand, seven hundred seventy-two".
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