Base | Representation |
---|---|
bin | 1001000011000110… |
… | …0101011000101011 |
3 | 20021021102210010200 |
4 | 2100301211120223 |
5 | 14433300323131 |
6 | 1041004043243 |
7 | 114122312343 |
oct | 22061453053 |
9 | 6237383120 |
10 | 2428917291 |
11 | 1037073569 |
12 | 579533523 |
13 | 2c92a1b88 |
14 | 190829d23 |
15 | e33892e6 |
hex | 90c6562b |
2428917291 has 12 divisors (see below), whose sum is σ = 3536063232. Its totient is φ = 1606527216.
The previous prime is 2428917289. The next prime is 2428917311. The reversal of 2428917291 is 1927198242.
It is not a de Polignac number, because 2428917291 - 21 = 2428917289 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2428917191) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1061376 + ... + 1063661.
It is an arithmetic number, because the mean of its divisors is an integer number (294671936).
Almost surely, 22428917291 is an apocalyptic number.
2428917291 is a deficient number, since it is larger than the sum of its proper divisors (1107145941).
2428917291 is a wasteful number, since it uses less digits than its factorization.
2428917291 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2125170 (or 2125167 counting only the distinct ones).
The product of its digits is 145152, while the sum is 45.
The square root of 2428917291 is about 49284.0470233523. The cubic root of 2428917291 is about 1344.2217211665.
The spelling of 2428917291 in words is "two billion, four hundred twenty-eight million, nine hundred seventeen thousand, two hundred ninety-one".
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