Base | Representation |
---|---|
bin | 1010011100111011… |
… | …1011111011001100 |
3 | 21020112102212022012 |
4 | 2213032323323030 |
5 | 21221230214130 |
6 | 1142224040352 |
7 | 126346101053 |
oct | 24716737314 |
9 | 7215385265 |
10 | 2805710540 |
11 | 120a828946 |
12 | 6637630b8 |
13 | 359379569 |
14 | 1c88ad39a |
15 | 1164b6995 |
hex | a73bbecc |
2805710540 has 48 divisors (see below), whose sum is σ = 5942280960. Its totient is φ = 1112743680.
The previous prime is 2805710477. The next prime is 2805710573. The reversal of 2805710540 is 450175082.
It is a junction number, because it is equal to n+sod(n) for n = 2805710497 and 2805710506.
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, 1594181 + ... + 1595939.
It is an arithmetic number, because the mean of its divisors is an integer number (123797520).
Almost surely, 22805710540 is an apocalyptic number.
2805710540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2805710540 is an abundant number, since it is smaller than the sum of its proper divisors (3136570420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2805710540 is a wasteful number, since it uses less digits than its factorization.
2805710540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2402 (or 2400 counting only the distinct ones).
The product of its (nonzero) digits is 11200, while the sum is 32.
The square root of 2805710540 is about 52968.9582680271. The cubic root of 2805710540 is about 1410.4172833990.
The spelling of 2805710540 in words is "two billion, eight hundred five million, seven hundred ten thousand, five hundred forty".
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