Base | Representation |
---|---|
bin | 1010101001111000… |
… | …1001001100111010 |
3 | 21101022122111212000 |
4 | 2222132021030322 |
5 | 21324131404410 |
6 | 1151444201430 |
7 | 130605562116 |
oct | 25236111472 |
9 | 7338574760 |
10 | 2860028730 |
11 | 1238458a09 |
12 | 679999276 |
13 | 3676b72c0 |
14 | 1d1bac746 |
15 | 11b145dc0 |
hex | aa78933a |
2860028730 has 64 divisors (see below), whose sum is σ = 8213425920. Its totient is φ = 704006208.
The previous prime is 2860028729. The next prime is 2860028747. The reversal of 2860028730 is 378200682.
It is a happy number.
2860028730 is a `hidden beast` number, since 28 + 600 + 28 + 7 + 3 + 0 = 666.
2860028730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 403902 + ... + 410921.
It is an arithmetic number, because the mean of its divisors is an integer number (128334780).
Almost surely, 22860028730 is an apocalyptic number.
2860028730 is an abundant number, since it is smaller than the sum of its proper divisors (5353397190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2860028730 is a wasteful number, since it uses less digits than its factorization.
2860028730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 814852 (or 814846 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 2860028730 is about 53479.2364380794. The cubic root of 2860028730 is about 1419.4610018756.
The spelling of 2860028730 in words is "two billion, eight hundred sixty million, twenty-eight thousand, seven hundred thirty".
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