Base | Representation |
---|---|
bin | 1000001100100… |
… | …11100111000001 |
3 | 11210101110210120 |
4 | 10012103213001 |
5 | 120100341144 |
6 | 10453450453 |
7 | 1463316306 |
oct | 406234701 |
9 | 153343716 |
10 | 68762049 |
11 | 358a5a44 |
12 | 1b040a29 |
13 | 11327205 |
14 | 91bd0ad |
15 | 6083e19 |
hex | 41939c1 |
68762049 has 16 divisors (see below), whose sum is σ = 92836800. Its totient is φ = 45268416.
The previous prime is 68762047. The next prime is 68762053. The reversal of 68762049 is 94026786.
It is not a de Polignac number, because 68762049 - 21 = 68762047 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68762049.
It is not an unprimeable number, because it can be changed into a prime (68762047) 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 15 ways as a sum of consecutive naturals, for example, 111867 + ... + 112479.
It is an arithmetic number, because the mean of its divisors is an integer number (5802300).
Almost surely, 268762049 is an apocalyptic number.
It is an amenable number.
68762049 is a deficient number, since it is larger than the sum of its proper divisors (24074751).
68762049 is a wasteful number, since it uses less digits than its factorization.
68762049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1024.
The product of its (nonzero) digits is 145152, while the sum is 42.
The square root of 68762049 is about 8292.2885260946. The cubic root of 68762049 is about 409.6845660284.
The spelling of 68762049 in words is "sixty-eight million, seven hundred sixty-two thousand, forty-nine".
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