Base | Representation |
---|---|
bin | 1111010011110… |
… | …1010001111101 |
3 | 11110211102020112 |
4 | 3310331101331 |
5 | 112414323031 |
6 | 10212155405 |
7 | 1406545145 |
oct | 364752175 |
9 | 143742215 |
10 | 64214141 |
11 | 3327a042 |
12 | 19608b65 |
13 | 103c4144 |
14 | 8757925 |
15 | 598662b |
hex | 3d3d47d |
64214141 has 4 divisors (see below), whose sum is σ = 64419612. Its totient is φ = 64008672.
The previous prime is 64214131. The next prime is 64214147. The reversal of 64214141 is 14141246.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 23522500 + 40691641 = 4850^2 + 6379^2 .
It is a cyclic number.
It is not a de Polignac number, because 64214141 - 210 = 64213117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64214147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102266 + ... + 102891.
It is an arithmetic number, because the mean of its divisors is an integer number (16104903).
Almost surely, 264214141 is an apocalyptic number.
It is an amenable number.
64214141 is a deficient number, since it is larger than the sum of its proper divisors (205471).
64214141 is a wasteful number, since it uses less digits than its factorization.
64214141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 205470.
The product of its digits is 768, while the sum is 23.
The square root of 64214141 is about 8013.3726357883. The cubic root of 64214141 is about 400.4456304328.
Adding to 64214141 its reverse (14141246), we get a palindrome (78355387).
The spelling of 64214141 in words is "sixty-four million, two hundred fourteen thousand, one hundred forty-one".
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