Base | Representation |
---|---|
bin | 1000001000101… |
… | …11110001000110 |
3 | 11202102200222012 |
4 | 10010113301012 |
5 | 114433123130 |
6 | 10434534222 |
7 | 1456104362 |
oct | 404276106 |
9 | 152380865 |
10 | 68254790 |
11 | 3558991a |
12 | 1aa37372 |
13 | 111aa366 |
14 | 90ca2a2 |
15 | 5ed3995 |
hex | 4117c46 |
68254790 has 16 divisors (see below), whose sum is σ = 124076880. Its totient is φ = 27031200.
The previous prime is 68254759. The next prime is 68254793. The reversal of 68254790 is 9745286.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68254793) 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 7 ways as a sum of consecutive naturals, for example, 32780 + ... + 34799.
It is an arithmetic number, because the mean of its divisors is an integer number (7754805).
Almost surely, 268254790 is an apocalyptic number.
68254790 is a deficient number, since it is larger than the sum of its proper divisors (55822090).
68254790 is a wasteful number, since it uses less digits than its factorization.
68254790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67687.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 68254790 is about 8261.6457198309. The cubic root of 68254790 is about 408.6746615226.
The spelling of 68254790 in words is "sixty-eight million, two hundred fifty-four thousand, seven hundred ninety".
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