Base | Representation |
---|---|
bin | 1010011100110111… |
… | …0000110011100100 |
3 | 21020111212020020100 |
4 | 2213031300303210 |
5 | 21221140342402 |
6 | 1142213304100 |
7 | 126343350030 |
oct | 24715606344 |
9 | 7214766210 |
10 | 2805402852 |
11 | 120a63875a |
12 | 663635030 |
13 | 35929c4b5 |
14 | 1c882d1c0 |
15 | 11645571c |
hex | a7370ce4 |
2805402852 has 72 divisors (see below), whose sum is σ = 8116174976. Its totient is φ = 800388864.
The previous prime is 2805402829. The next prime is 2805402913. The reversal of 2805402852 is 2582045082.
2805402852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175548 + ... + 190860.
Almost surely, 22805402852 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2805402852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4058087488).
2805402852 is an abundant number, since it is smaller than the sum of its proper divisors (5310772124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2805402852 is a wasteful number, since it uses less digits than its factorization.
2805402852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16057 (or 16052 counting only the distinct ones).
The product of its (nonzero) digits is 51200, while the sum is 36.
The square root of 2805402852 is about 52966.0537703159. The cubic root of 2805402852 is about 1410.3657237517.
The spelling of 2805402852 in words is "two billion, eight hundred five million, four hundred two thousand, eight hundred fifty-two".
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