Base | Representation |
---|---|
bin | 1111010100001… |
… | …1101000001101 |
3 | 11110212201220111 |
4 | 3311003220031 |
5 | 112421141031 |
6 | 10212520021 |
7 | 1410014020 |
oct | 365035015 |
9 | 143781814 |
10 | 64240141 |
11 | 33297629 |
12 | 19620011 |
13 | 10402c24 |
14 | 87631b7 |
15 | 598e1b1 |
hex | 3d43a0d |
64240141 has 8 divisors (see below), whose sum is σ = 74145024. Its totient is φ = 54517200.
The previous prime is 64240139. The next prime is 64240147. The reversal of 64240141 is 14104246.
64240141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 64240141 - 21 = 64240139 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 (64240147) 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, 44725 + ... + 46138.
It is an arithmetic number, because the mean of its divisors is an integer number (9268128).
Almost surely, 264240141 is an apocalyptic number.
It is an amenable number.
64240141 is a deficient number, since it is larger than the sum of its proper divisors (9904883).
64240141 is a wasteful number, since it uses less digits than its factorization.
64240141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90971.
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 64240141 is about 8014.9947598236. The cubic root of 64240141 is about 400.4996693165.
Adding to 64240141 its reverse (14104246), we get a palindrome (78344387).
The spelling of 64240141 in words is "sixty-four million, two hundred forty thousand, one hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •