Base | Representation |
---|---|
bin | 11011001100011… |
… | …10111000011101 |
3 | 120220021000100220 |
4 | 31212032320131 |
5 | 431400014422 |
6 | 34345311553 |
7 | 5440020033 |
oct | 1546167035 |
9 | 526230326 |
10 | 228126237 |
11 | 107853689 |
12 | 644955b9 |
13 | 38354451 |
14 | 22424553 |
15 | 15062e5c |
hex | d98ee1d |
228126237 has 16 divisors (see below), whose sum is σ = 307315200. Its totient is φ = 150519600.
The previous prime is 228126221. The next prime is 228126251. The reversal of 228126237 is 732621822.
It is not a de Polignac number, because 228126237 - 24 = 228126221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 228126198 and 228126207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228126287) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125062 + ... + 126872.
It is an arithmetic number, because the mean of its divisors is an integer number (19207200).
Almost surely, 2228126237 is an apocalyptic number.
It is an amenable number.
228126237 is a deficient number, since it is larger than the sum of its proper divisors (79188963).
228126237 is a wasteful number, since it uses less digits than its factorization.
228126237 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2224.
The product of its digits is 16128, while the sum is 33.
The square root of 228126237 is about 15103.8484168771. The cubic root of 228126237 is about 611.0242016266.
The spelling of 228126237 in words is "two hundred twenty-eight million, one hundred twenty-six thousand, two hundred thirty-seven".
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