Base | Representation |
---|---|
bin | 1111010000111… |
… | …1001110111101 |
3 | 11110110211112001 |
4 | 3310033032331 |
5 | 112342304113 |
6 | 10204142301 |
7 | 1405131235 |
oct | 364171675 |
9 | 143424461 |
10 | 64025533 |
11 | 33160370 |
12 | 19537991 |
13 | 10359340 |
14 | 8708cc5 |
15 | 594a7dd |
hex | 3d0f3bd |
64025533 has 16 divisors (see below), whose sum is σ = 77817600. Its totient is φ = 51871680.
The previous prime is 64025527. The next prime is 64025543. The reversal of 64025533 is 33552046.
It is a cyclic number.
It is not a de Polignac number, because 64025533 - 25 = 64025501 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 (64025543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3573 + ... + 11866.
It is an arithmetic number, because the mean of its divisors is an integer number (4863600).
Almost surely, 264025533 is an apocalyptic number.
It is an amenable number.
64025533 is a deficient number, since it is larger than the sum of its proper divisors (13792067).
64025533 is a wasteful number, since it uses less digits than its factorization.
64025533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15492.
The product of its (nonzero) digits is 10800, while the sum is 28.
The square root of 64025533 is about 8001.5956533681. The cubic root of 64025533 is about 400.0531866776.
Adding to 64025533 its reverse (33552046), we get a palindrome (97577579).
It can be divided in two parts, 6402 and 5533, that added together give a triangular number (11935 = T154).
The spelling of 64025533 in words is "sixty-four million, twenty-five thousand, five hundred thirty-three".
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