Base | Representation |
---|---|
bin | 1000001100000… |
… | …11111111011000 |
3 | 11210021020001001 |
4 | 10012003333120 |
5 | 120041314242 |
6 | 10452234344 |
7 | 1462631632 |
oct | 406037730 |
9 | 153236031 |
10 | 68698072 |
11 | 35861973 |
12 | 1b00b9b4 |
13 | 11304061 |
14 | 91a3a52 |
15 | 606eeb7 |
hex | 4183fd8 |
68698072 has 16 divisors (see below), whose sum is σ = 135588600. Its totient is φ = 32541120.
The previous prime is 68698051. The next prime is 68698073. The reversal of 68698072 is 27089686.
It is a super-3 number, since 3×686980723 (a number of 24 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68698073) 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 3 ways as a sum of consecutive naturals, for example, 225829 + ... + 226132.
Almost surely, 268698072 is an apocalyptic number.
It is an amenable number.
68698072 is a deficient number, since it is larger than the sum of its proper divisors (66890528).
68698072 is a wasteful number, since it uses less digits than its factorization.
68698072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 451986 (or 451982 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 46.
The square root of 68698072 is about 8288.4300081499. The cubic root of 68698072 is about 409.5574681942.
It can be divided in two parts, 6869 and 8072, that added together give a palindrome (14941).
The spelling of 68698072 in words is "sixty-eight million, six hundred ninety-eight thousand, seventy-two".
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