Base | Representation |
---|---|
bin | 100111100101011… |
… | …101101100111101 |
3 | 1201021200102101210 |
4 | 213211131230331 |
5 | 2330004214123 |
6 | 145522355033 |
7 | 22313014050 |
oct | 4745355475 |
9 | 1637612353 |
10 | 664132413 |
11 | 31098156a |
12 | 1664bba79 |
13 | a7791779 |
14 | 642bca97 |
15 | 3d489e93 |
hex | 2795db3d |
664132413 has 16 divisors (see below), whose sum is σ = 1012959360. Its totient is φ = 379148736.
The previous prime is 664132373. The next prime is 664132471. The reversal of 664132413 is 314231466.
It is not a de Polignac number, because 664132413 - 29 = 664131901 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (664132813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9031 + ... + 37547.
It is an arithmetic number, because the mean of its divisors is an integer number (63309960).
Almost surely, 2664132413 is an apocalyptic number.
It is an amenable number.
664132413 is a deficient number, since it is larger than the sum of its proper divisors (348826947).
664132413 is a wasteful number, since it uses less digits than its factorization.
664132413 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29636.
The product of its digits is 10368, while the sum is 30.
The square root of 664132413 is about 25770.7666358609. The cubic root of 664132413 is about 872.4721218888.
Adding to 664132413 its reverse (314231466), we get a palindrome (978363879).
The spelling of 664132413 in words is "six hundred sixty-four million, one hundred thirty-two thousand, four hundred thirteen".
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