Base | Representation |
---|---|
bin | 1111010001100… |
… | …1010111101101 |
3 | 11110112221110211 |
4 | 3310121113231 |
5 | 112400121203 |
6 | 10205102421 |
7 | 1405363261 |
oct | 364312755 |
9 | 143487424 |
10 | 64067053 |
11 | 33189586 |
12 | 19557a11 |
13 | 103721cb |
14 | 871a0a1 |
15 | 5957c6d |
hex | 3d195ed |
64067053 has 4 divisors (see below), whose sum is σ = 64298620. Its totient is φ = 63835488.
The previous prime is 64067041. The next prime is 64067071. The reversal of 64067053 is 35076046.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 10220809 + 53846244 = 3197^2 + 7338^2 .
It is a cyclic number.
It is not a de Polignac number, because 64067053 - 225 = 30512621 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 (64067023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115368 + ... + 115921.
It is an arithmetic number, because the mean of its divisors is an integer number (16074655).
Almost surely, 264067053 is an apocalyptic number.
It is an amenable number.
64067053 is a deficient number, since it is larger than the sum of its proper divisors (231567).
64067053 is a wasteful number, since it uses less digits than its factorization.
64067053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231566.
The product of its (nonzero) digits is 15120, while the sum is 31.
The square root of 64067053 is about 8004.1897153928. The cubic root of 64067053 is about 400.1396449925.
The spelling of 64067053 in words is "sixty-four million, sixty-seven thousand, fifty-three".
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