Base | Representation |
---|---|
bin | 1000001010011… |
… | …11100101110111 |
3 | 11202212022121222 |
4 | 10011033211313 |
5 | 120012432242 |
6 | 10443500555 |
7 | 1461046124 |
oct | 405174567 |
9 | 152768558 |
10 | 68483447 |
11 | 3572569a |
12 | 1ab2775b |
13 | 1125a466 |
14 | 914974b |
15 | 602b5d2 |
hex | 414f977 |
68483447 has 4 divisors (see below), whose sum is σ = 69505656. Its totient is φ = 67461240.
The previous prime is 68483399. The next prime is 68483479. The reversal of 68483447 is 74438486.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-68483447 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 68483398 and 68483407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68483647) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511004 + ... + 511137.
It is an arithmetic number, because the mean of its divisors is an integer number (17376414).
Almost surely, 268483447 is an apocalyptic number.
68483447 is a gapful number since it is divisible by the number (67) formed by its first and last digit.
68483447 is a deficient number, since it is larger than the sum of its proper divisors (1022209).
68483447 is a wasteful number, since it uses less digits than its factorization.
68483447 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1022208.
The product of its digits is 516096, while the sum is 44.
The square root of 68483447 is about 8275.4726149024. The cubic root of 68483447 is about 409.1305131235.
The spelling of 68483447 in words is "sixty-eight million, four hundred eighty-three thousand, four hundred forty-seven".
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