Base | Representation |
---|---|
bin | 1000100010110011… |
… | …0011111000010001 |
3 | 12220211112020111021 |
4 | 2020230303320101 |
5 | 14144110320314 |
6 | 1015324315441 |
7 | 110555662633 |
oct | 21054637021 |
9 | 5824466437 |
10 | 2293448209 |
11 | a77656648 |
12 | 5400a2b81 |
13 | 2a71bcc60 |
14 | 17a844a53 |
15 | d652a324 |
hex | 88b33e11 |
2293448209 has 24 divisors (see below), whose sum is σ = 2587810680. Its totient is φ = 2020204032.
The previous prime is 2293448207. The next prime is 2293448221. The reversal of 2293448209 is 9028443922.
It can be written as a sum of positive squares in 12 ways, for example, as 1411655184 + 881793025 = 37572^2 + 29695^2 .
It is not a de Polignac number, because 2293448209 - 21 = 2293448207 is a prime.
It is a super-4 number, since 4×22934482094 (a number of 39 digits) contains 4444 as substring.
It is not an unprimeable number, because it can be changed into a prime (2293448203) 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, 971859 + ... + 974215.
It is an arithmetic number, because the mean of its divisors is an integer number (107825445).
Almost surely, 22293448209 is an apocalyptic number.
2293448209 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
2293448209 is a deficient number, since it is larger than the sum of its proper divisors (294362471).
2293448209 is a wasteful number, since it uses less digits than its factorization.
2293448209 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2517 (or 2488 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 43.
The square root of 2293448209 is about 47889.9593756353. The cubic root of 2293448209 is about 1318.7515378523.
The spelling of 2293448209 in words is "two billion, two hundred ninety-three million, four hundred forty-eight thousand, two hundred nine".
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