Base | Representation |
---|---|
bin | 1111010010100… |
… | …0110110010100 |
3 | 11110200011102221 |
4 | 3310220312110 |
5 | 112404133302 |
6 | 10210312124 |
7 | 1406046151 |
oct | 364506624 |
9 | 143604387 |
10 | 64130452 |
11 | 33222181 |
12 | 19588644 |
13 | 10395019 |
14 | 8735228 |
15 | 596b937 |
hex | 3d28d94 |
64130452 has 12 divisors (see below), whose sum is σ = 112484736. Its totient is φ = 31991960.
The previous prime is 64130447. The next prime is 64130461. The reversal of 64130452 is 25403146.
64130452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×641304522 = 8225429747448608, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 16324 + ... + 19867.
It is an arithmetic number, because the mean of its divisors is an integer number (9373728).
Almost surely, 264130452 is an apocalyptic number.
It is an amenable number.
64130452 is a deficient number, since it is larger than the sum of its proper divisors (48354284).
64130452 is a wasteful number, since it uses less digits than its factorization.
64130452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36638 (or 36636 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 64130452 is about 8008.1490995111. The cubic root of 64130452 is about 400.2715905547.
Adding to 64130452 its reverse (25403146), we get a palindrome (89533598).
The spelling of 64130452 in words is "sixty-four million, one hundred thirty thousand, four hundred fifty-two".
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