Base | Representation |
---|---|
bin | 1000011000001010… |
… | …1101001011011001 |
3 | 12210201121201212101 |
4 | 2012002231023121 |
5 | 14101201400111 |
6 | 1011052443401 |
7 | 106504651210 |
oct | 20602551331 |
9 | 5721551771 |
10 | 2248856281 |
11 | a5446a011 |
12 | 529179561 |
13 | 29aba92b9 |
14 | 174958077 |
15 | d266cbc1 |
hex | 860ad2d9 |
2248856281 has 24 divisors (see below), whose sum is σ = 2680941120. Its totient is φ = 1847694240.
The previous prime is 2248856261. The next prime is 2248856341. The reversal of 2248856281 is 1826588422.
It is not a de Polignac number, because 2248856281 - 219 = 2248331993 is a prime.
It is a super-2 number, since 2×22488562812 = 10114709145186301922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2248856221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 731710 + ... + 734776.
It is an arithmetic number, because the mean of its divisors is an integer number (111705880).
Almost surely, 22248856281 is an apocalyptic number.
It is an amenable number.
2248856281 is a deficient number, since it is larger than the sum of its proper divisors (432084839).
2248856281 is a wasteful number, since it uses less digits than its factorization.
2248856281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3245 (or 3214 counting only the distinct ones).
The product of its digits is 491520, while the sum is 46.
The square root of 2248856281 is about 47422.1075132685. The cubic root of 2248856281 is about 1310.1486304565.
The spelling of 2248856281 in words is "two billion, two hundred forty-eight million, eight hundred fifty-six thousand, two hundred eighty-one".
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