Base | Representation |
---|---|
bin | 1111010110011… |
… | …1000011011001 |
3 | 11111011002221120 |
4 | 3311213003121 |
5 | 112440311431 |
6 | 10215555453 |
7 | 1411160034 |
oct | 365470331 |
9 | 144132846 |
10 | 64385241 |
11 | 33386648 |
12 | 1968bb89 |
13 | 10453c9b |
14 | 87a001b |
15 | 59bc196 |
hex | 3d670d9 |
64385241 has 4 divisors (see below), whose sum is σ = 85846992. Its totient is φ = 42923492.
The previous prime is 64385231. The next prime is 64385261. The reversal of 64385241 is 14258346.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 64385241 - 221 = 62288089 is a prime.
It is not an unprimeable number, because it can be changed into a prime (64385201) 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, 10730871 + ... + 10730876.
It is an arithmetic number, because the mean of its divisors is an integer number (21461748).
Almost surely, 264385241 is an apocalyptic number.
It is an amenable number.
64385241 is a deficient number, since it is larger than the sum of its proper divisors (21461751).
64385241 is a wasteful number, since it uses less digits than its factorization.
64385241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21461750.
The product of its digits is 23040, while the sum is 33.
The square root of 64385241 is about 8024.0414380784. The cubic root of 64385241 is about 400.8009804220.
The spelling of 64385241 in words is "sixty-four million, three hundred eighty-five thousand, two hundred forty-one".
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