Base | Representation |
---|---|
bin | 1111010001101… |
… | …1011010111101 |
3 | 11110120100222221 |
4 | 3310123122331 |
5 | 112400403303 |
6 | 10205205341 |
7 | 1405426621 |
oct | 364333275 |
9 | 143510887 |
10 | 64075453 |
11 | 33194922 |
12 | 19560851 |
13 | 10375c90 |
14 | 871d181 |
15 | 595a4bd |
hex | 3d1b6bd |
64075453 has 8 divisors (see below), whose sum is σ = 70869848. Its totient is φ = 57547584.
The previous prime is 64075411. The next prime is 64075457. The reversal of 64075453 is 35457046.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 27436644 + 36638809 = 5238^2 + 6053^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-64075453 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 (64075457) 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 7 ways as a sum of consecutive naturals, for example, 66126 + ... + 67087.
It is an arithmetic number, because the mean of its divisors is an integer number (8858731).
Almost surely, 264075453 is an apocalyptic number.
It is an amenable number.
64075453 is a deficient number, since it is larger than the sum of its proper divisors (6794395).
64075453 is a wasteful number, since it uses less digits than its factorization.
64075453 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133263.
The product of its (nonzero) digits is 50400, while the sum is 34.
The square root of 64075453 is about 8004.7144233883. The cubic root of 64075453 is about 400.1571320157.
The spelling of 64075453 in words is "sixty-four million, seventy-five thousand, four hundred fifty-three".
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