Base | Representation |
---|---|
bin | 11011010010000… |
… | …10110101110101 |
3 | 120221122110111100 |
4 | 31221002311311 |
5 | 432042111344 |
6 | 34413200313 |
7 | 5446210041 |
oct | 1551026565 |
9 | 527573440 |
10 | 228863349 |
11 | 108207470 |
12 | 64790099 |
13 | 38551b00 |
14 | 22577021 |
15 | 1515b569 |
hex | da42d75 |
228863349 has 36 divisors (see below), whose sum is σ = 390536640. Its totient is φ = 128026080.
The previous prime is 228863347. The next prime is 228863377. The reversal of 228863349 is 943368822.
228863349 is a `hidden beast` number, since 2 + 2 + 8 + 8 + 633 + 4 + 9 = 666.
It is not a de Polignac number, because 228863349 - 21 = 228863347 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228863347) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9892 + ... + 23570.
It is an arithmetic number, because the mean of its divisors is an integer number (10848240).
Almost surely, 2228863349 is an apocalyptic number.
It is an amenable number.
228863349 is a deficient number, since it is larger than the sum of its proper divisors (161673291).
228863349 is a wasteful number, since it uses less digits than its factorization.
228863349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13722 (or 13706 counting only the distinct ones).
The product of its digits is 497664, while the sum is 45.
The square root of 228863349 is about 15128.2302005225. The cubic root of 228863349 is about 611.6815994031.
The spelling of 228863349 in words is "two hundred twenty-eight million, eight hundred sixty-three thousand, three hundred forty-nine".
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