Base | Representation |
---|---|
bin | 1111010101000… |
… | …1110100000011 |
3 | 11110222200121102 |
4 | 3311101310003 |
5 | 112430020433 |
6 | 10214045015 |
7 | 1410345302 |
oct | 365216403 |
9 | 143880542 |
10 | 64298243 |
11 | 33327249 |
12 | 1964976b |
13 | 104234c9 |
14 | 877a439 |
15 | 59a14e8 |
hex | 3d51d03 |
64298243 has 4 divisors (see below), whose sum is σ = 64867368. Its totient is φ = 63729120.
The previous prime is 64298237. The next prime is 64298279. The reversal of 64298243 is 34289246.
It is a happy number.
64298243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34289246 = 2 ⋅17144623.
It is a cyclic number.
It is not a de Polignac number, because 64298243 - 212 = 64294147 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 64298197 and 64298206.
It is not an unprimeable number, because it can be changed into a prime (64298543) 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, 284393 + ... + 284618.
It is an arithmetic number, because the mean of its divisors is an integer number (16216842).
Almost surely, 264298243 is an apocalyptic number.
64298243 is a deficient number, since it is larger than the sum of its proper divisors (569125).
64298243 is a wasteful number, since it uses less digits than its factorization.
64298243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569124.
The product of its digits is 82944, while the sum is 38.
The square root of 64298243 is about 8018.6185219151. The cubic root of 64298243 is about 400.6203769171.
The spelling of 64298243 in words is "sixty-four million, two hundred ninety-eight thousand, two hundred forty-three".
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