Base | Representation |
---|---|
bin | 1111010000111… |
… | …0011110000001 |
3 | 11110110200020001 |
4 | 3310032132001 |
5 | 112342204101 |
6 | 10204120001 |
7 | 1405116142 |
oct | 364163601 |
9 | 143420201 |
10 | 64022401 |
11 | 33158a83 |
12 | 19536001 |
13 | 10357aa1 |
14 | 8707ac9 |
15 | 5949901 |
hex | 3d0e781 |
64022401 has 8 divisors (see below), whose sum is σ = 66335400. Its totient is φ = 61716480.
The previous prime is 64022377. The next prime is 64022407. The reversal of 64022401 is 10422046.
64022401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 6400 + 64016001 = 80^2 + 8001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64022401 - 25 = 64022369 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (64022407) 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 7 ways as a sum of consecutive naturals, for example, 22465 + ... + 25153.
It is an arithmetic number, because the mean of its divisors is an integer number (8291925).
Almost surely, 264022401 is an apocalyptic number.
It is an amenable number.
64022401 is a deficient number, since it is larger than the sum of its proper divisors (2312999).
64022401 is a wasteful number, since it uses less digits than its factorization.
64022401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3539.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 64022401 is about 8001.3999400105. The cubic root of 64022401 is about 400.0466633061.
Adding to 64022401 its reverse (10422046), we get a palindrome (74444447).
The spelling of 64022401 in words is "sixty-four million, twenty-two thousand, four hundred one".
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