Base | Representation |
---|---|
bin | 11011001111101… |
… | …01010110100111 |
3 | 120221001100010011 |
4 | 31213311112213 |
5 | 432001432314 |
6 | 34402311051 |
7 | 5443415515 |
oct | 1547652647 |
9 | 527040104 |
10 | 228545959 |
11 | 10800aa64 |
12 | 64658487 |
13 | 384704c5 |
14 | 224d34b5 |
15 | 150e74c4 |
hex | d9f55a7 |
228545959 has 2 divisors, whose sum is σ = 228545960. Its totient is φ = 228545958.
The previous prime is 228545957. The next prime is 228545983. The reversal of 228545959 is 959545822.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 228545959 - 21 = 228545957 is a prime.
Together with 228545957, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (228545957) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114272979 + 114272980.
It is an arithmetic number, because the mean of its divisors is an integer number (114272980).
Almost surely, 2228545959 is an apocalyptic number.
228545959 is a deficient number, since it is larger than the sum of its proper divisors (1).
228545959 is an equidigital number, since it uses as much as digits as its factorization.
228545959 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1296000, while the sum is 49.
The square root of 228545959 is about 15117.7365700028. The cubic root of 228545959 is about 611.3987065200.
The spelling of 228545959 in words is "two hundred twenty-eight million, five hundred forty-five thousand, nine hundred fifty-nine".
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