Base | Representation |
---|---|
bin | 1010100110100000… |
… | …0110010111011100 |
3 | 21100022222201211212 |
4 | 2221220012113130 |
5 | 21312020030330 |
6 | 1150220403552 |
7 | 130344264560 |
oct | 25150062734 |
9 | 7308881755 |
10 | 2845861340 |
11 | 1230461823 |
12 | 6750a65b8 |
13 | 36479692a |
14 | 1cdd616a0 |
15 | 119c98295 |
hex | a9a065dc |
2845861340 has 48 divisors (see below), whose sum is σ = 6839163072. Its totient is φ = 974424576.
The previous prime is 2845861307. The next prime is 2845861357. The reversal of 2845861340 is 431685482.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95072 + ... + 121368.
It is an arithmetic number, because the mean of its divisors is an integer number (142482564).
Almost surely, 22845861340 is an apocalyptic number.
2845861340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2845861340 is an abundant number, since it is smaller than the sum of its proper divisors (3993301732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2845861340 is a wasteful number, since it uses less digits than its factorization.
2845861340 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27086 (or 27084 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 41.
The square root of 2845861340 is about 53346.6150753729. The cubic root of 2845861340 is about 1417.1133150977.
It can be divided in two parts, 28458 and 61340, that added together give a palindrome (89798).
The spelling of 2845861340 in words is "two billion, eight hundred forty-five million, eight hundred sixty-one thousand, three hundred forty".
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