Base | Representation |
---|---|
bin | 1000001101110… |
… | …11100000110101 |
3 | 11210200210000001 |
4 | 10012323200311 |
5 | 120121103433 |
6 | 10501151301 |
7 | 1464566650 |
oct | 406734065 |
9 | 153623001 |
10 | 68925493 |
11 | 359a781a |
12 | 1b0bb531 |
13 | 11383720 |
14 | 9222897 |
15 | 60b757d |
hex | 41bb835 |
68925493 has 32 divisors (see below), whose sum is σ = 89413632. Its totient is φ = 51667200.
The previous prime is 68925481. The next prime is 68925523. The reversal of 68925493 is 39452986.
It is not a de Polignac number, because 68925493 - 213 = 68917301 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68925433) 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 31 ways as a sum of consecutive naturals, for example, 149283 + ... + 149743.
It is an arithmetic number, because the mean of its divisors is an integer number (2794176).
Almost surely, 268925493 is an apocalyptic number.
It is an amenable number.
68925493 is a deficient number, since it is larger than the sum of its proper divisors (20488139).
68925493 is a wasteful number, since it uses less digits than its factorization.
68925493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 565.
The product of its digits is 466560, while the sum is 46.
The square root of 68925493 is about 8302.1378572028. The cubic root of 68925493 is about 410.0089091857.
The spelling of 68925493 in words is "sixty-eight million, nine hundred twenty-five thousand, four hundred ninety-three".
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