Base | Representation |
---|---|
bin | 111011110000110… |
… | …0111010000010101 |
3 | 12011202022210210110 |
4 | 1313201213100111 |
5 | 13101324101440 |
6 | 530552313233 |
7 | 100456525254 |
oct | 16741472025 |
9 | 5152283713 |
10 | 2005300245 |
11 | 939a37833 |
12 | 47b6a2819 |
13 | 25c5b19c0 |
14 | 15047879b |
15 | bb0ad080 |
hex | 77867415 |
2005300245 has 32 divisors (see below), whose sum is σ = 3457544832. Its totient is φ = 986579712.
The previous prime is 2005300243. The next prime is 2005300307. The reversal of 2005300245 is 5420035002.
It is not a de Polignac number, because 2005300245 - 21 = 2005300243 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2005300243) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457434 + ... + 461796.
It is an arithmetic number, because the mean of its divisors is an integer number (108048276).
Almost surely, 22005300245 is an apocalyptic number.
It is an amenable number.
2005300245 is a deficient number, since it is larger than the sum of its proper divisors (1452244587).
2005300245 is a wasteful number, since it uses less digits than its factorization.
2005300245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6741.
The product of its (nonzero) digits is 1200, while the sum is 21.
The square root of 2005300245 is about 44780.5788819216. The cubic root of 2005300245 is about 1261.0330498681.
Adding to 2005300245 its reverse (5420035002), we get a palindrome (7425335247).
The spelling of 2005300245 in words is "two billion, five million, three hundred thousand, two hundred forty-five".
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