Base | Representation |
---|---|
bin | 100111100101110… |
… | …110010000101001 |
3 | 1201021212112101021 |
4 | 213211312100221 |
5 | 2330020424001 |
6 | 145524452441 |
7 | 22313613235 |
oct | 4745662051 |
9 | 1637775337 |
10 | 664233001 |
11 | 310a400a3 |
12 | 16654a121 |
13 | a77c84a3 |
14 | 643075c5 |
15 | 3d4a9ba1 |
hex | 27976429 |
664233001 has 8 divisors (see below), whose sum is σ = 686626304. Its totient is φ = 641900160.
The previous prime is 664232983. The next prime is 664233041. The reversal of 664233001 is 100332466.
664233001 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 664233001 - 25 = 664232969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (664233041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7801 + ... + 37273.
It is an arithmetic number, because the mean of its divisors is an integer number (85828288).
Almost surely, 2664233001 is an apocalyptic number.
It is an amenable number.
664233001 is a deficient number, since it is larger than the sum of its proper divisors (22393303).
664233001 is a wasteful number, since it uses less digits than its factorization.
664233001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30231.
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 664233001 is about 25772.7181531169. The cubic root of 664233001 is about 872.5161672196.
Adding to 664233001 its reverse (100332466), we get a palindrome (764565467).
The spelling of 664233001 in words is "six hundred sixty-four million, two hundred thirty-three thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •