Base | Representation |
---|---|
bin | 11101001110111… |
… | …11010010101011 |
3 | 122002110010011201 |
4 | 32213133102223 |
5 | 1000234422221 |
6 | 40200105031 |
7 | 6035305315 |
oct | 1647372253 |
9 | 562403151 |
10 | 245232811 |
11 | 11647804a |
12 | 6a165177 |
13 | 3ba63895 |
14 | 247d87b5 |
15 | 167e1891 |
hex | e9df4ab |
245232811 has 2 divisors, whose sum is σ = 245232812. Its totient is φ = 245232810.
The previous prime is 245232763. The next prime is 245232821. The reversal of 245232811 is 118232542.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 245232811 - 223 = 236844203 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 245232811.
It is not a weakly prime, because it can be changed into another prime (245232821) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122616405 + 122616406.
It is an arithmetic number, because the mean of its divisors is an integer number (122616406).
Almost surely, 2245232811 is an apocalyptic number.
245232811 is a deficient number, since it is larger than the sum of its proper divisors (1).
245232811 is an equidigital number, since it uses as much as digits as its factorization.
245232811 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3840, while the sum is 28.
The square root of 245232811 is about 15659.9109512155. The cubic root of 245232811 is about 625.9306123692.
The spelling of 245232811 in words is "two hundred forty-five million, two hundred thirty-two thousand, eight hundred eleven".
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