Base | Representation |
---|---|
bin | 1000100000110010… |
… | …1101001000111001 |
3 | 12220020200122121120 |
4 | 2020030231020321 |
5 | 14134432010433 |
6 | 1014424055453 |
7 | 110424310566 |
oct | 21014551071 |
9 | 5806618546 |
10 | 2285031993 |
11 | a729283a2 |
12 | 539304589 |
13 | 2a553424a |
14 | 17969386d |
15 | d59167b3 |
hex | 8832d239 |
2285031993 has 4 divisors (see below), whose sum is σ = 3046709328. Its totient is φ = 1523354660.
The previous prime is 2285031989. The next prime is 2285032039. The reversal of 2285031993 is 3991305822.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2285031993 - 22 = 2285031989 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2285031953) by changing a digit.
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, 380838663 + ... + 380838668.
It is an arithmetic number, because the mean of its divisors is an integer number (761677332).
Almost surely, 22285031993 is an apocalyptic number.
It is an amenable number.
2285031993 is a deficient number, since it is larger than the sum of its proper divisors (761677335).
2285031993 is an equidigital number, since it uses as much as digits as its factorization.
2285031993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 761677334.
The product of its (nonzero) digits is 116640, while the sum is 42.
The square root of 2285031993 is about 47802.0082527921. The cubic root of 2285031993 is about 1317.1364295108.
The spelling of 2285031993 in words is "two billion, two hundred eighty-five million, thirty-one thousand, nine hundred ninety-three".
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