Base | Representation |
---|---|
bin | 1000010000010001… |
… | …1101010101100100 |
3 | 12201102100100000120 |
4 | 2010010131111210 |
5 | 14014213330002 |
6 | 1003511241540 |
7 | 105623442225 |
oct | 20404352544 |
9 | 5642310016 |
10 | 2215761252 |
11 | a37815251 |
12 | 51a0792b0 |
13 | 29408c643 |
14 | 1703c124c |
15 | ce7d1cbc |
hex | 8411d564 |
2215761252 has 24 divisors (see below), whose sum is σ = 5176384416. Its totient is φ = 737690688.
The previous prime is 2215761199. The next prime is 2215761259. The reversal of 2215761252 is 2521675122.
It is not an unprimeable number, because it can be changed into a prime (2215761259) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101713 + ... + 121560.
It is an arithmetic number, because the mean of its divisors is an integer number (215682684).
Almost surely, 22215761252 is an apocalyptic number.
It is an amenable number.
2215761252 is an abundant number, since it is smaller than the sum of its proper divisors (2960623164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2215761252 is a wasteful number, since it uses less digits than its factorization.
2215761252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224107 (or 224105 counting only the distinct ones).
The product of its digits is 16800, while the sum is 33.
The square root of 2215761252 is about 47071.8732578171. The cubic root of 2215761252 is about 1303.6899605726.
The spelling of 2215761252 in words is "two billion, two hundred fifteen million, seven hundred sixty-one thousand, two hundred fifty-two".
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