Base | Representation |
---|---|
bin | 1000001001011110… |
… | …1011100100000000 |
3 | 12122102200121012121 |
4 | 2002113223210000 |
5 | 13434413331244 |
6 | 1001012134024 |
7 | 105126165661 |
oct | 20227534400 |
9 | 5572617177 |
10 | 2187245824 |
11 | a22709185 |
12 | 510607314 |
13 | 28b1b72ca |
14 | 16a6bb368 |
15 | cc04cc84 |
hex | 825eb900 |
2187245824 has 81 divisors (see below), whose sum is σ = 4544653617. Its totient is φ = 1050596352.
The previous prime is 2187245813. The next prime is 2187245831. The reversal of 2187245824 is 4285427812.
The square root of 2187245824 is 46768.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 1957177600 + 230068224 = 44240^2 + 15168^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 27686617 + ... + 27686695.
Almost surely, 22187245824 is an apocalyptic number.
2187245824 is the 46768-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2187245824
2187245824 is an abundant number, since it is smaller than the sum of its proper divisors (2357407793).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2187245824 is an frugal number, since it uses more digits than its factorization.
2187245824 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 248 (or 118 counting only the distinct ones).
The product of its digits is 286720, while the sum is 43.
The cubic root of 2187245824 is about 1298.0732451389.
The spelling of 2187245824 in words is "two billion, one hundred eighty-seven million, two hundred forty-five thousand, eight hundred twenty-four".
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