Base | Representation |
---|---|
bin | 1111010100000… |
… | …1001111111001 |
3 | 11110212020112110 |
4 | 3311001033321 |
5 | 112420333033 |
6 | 10212402533 |
7 | 1406643423 |
oct | 365011771 |
9 | 143766473 |
10 | 64230393 |
11 | 33290277 |
12 | 19616449 |
13 | 103cb666 |
14 | 875d813 |
15 | 598b363 |
hex | 3d413f9 |
64230393 has 16 divisors (see below), whose sum is σ = 91085120. Its totient is φ = 40144896.
The previous prime is 64230379. The next prime is 64230451. The reversal of 64230393 is 39303246.
It is not a de Polignac number, because 64230393 - 29 = 64229881 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 64230393.
It is not an unprimeable number, because it can be changed into a prime (64230323) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280 + ... + 11337.
It is an arithmetic number, because the mean of its divisors is an integer number (5692820).
Almost surely, 264230393 is an apocalyptic number.
It is an amenable number.
64230393 is a deficient number, since it is larger than the sum of its proper divisors (26854727).
64230393 is a wasteful number, since it uses less digits than its factorization.
64230393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11736.
The product of its (nonzero) digits is 11664, while the sum is 30.
The square root of 64230393 is about 8014.3866265610. The cubic root of 64230393 is about 400.4794106008.
The spelling of 64230393 in words is "sixty-four million, two hundred thirty thousand, three hundred ninety-three".
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