Base | Representation |
---|---|
bin | 11011010010010… |
… | …00110000000010 |
3 | 120221200200200211 |
4 | 31221020300002 |
5 | 432043400204 |
6 | 34413504334 |
7 | 5446340440 |
oct | 1551106002 |
9 | 527620624 |
10 | 228887554 |
11 | 108223675 |
12 | 647a20aa |
13 | 3855cb2c |
14 | 22581b90 |
15 | 15163804 |
hex | da48c02 |
228887554 has 16 divisors (see below), whose sum is σ = 392616000. Its totient is φ = 98035344.
The previous prime is 228887521. The next prime is 228887557. The reversal of 228887554 is 455788822.
It is a super-2 number, since 2×2288875542 = 104779024752205832, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 228887498 and 228887507.
It is not an unprimeable number, because it can be changed into a prime (228887557) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25492 + ... + 33280.
It is an arithmetic number, because the mean of its divisors is an integer number (24538500).
Almost surely, 2228887554 is an apocalyptic number.
228887554 is a deficient number, since it is larger than the sum of its proper divisors (163728446).
228887554 is a wasteful number, since it uses less digits than its factorization.
228887554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9897.
The product of its digits is 1433600, while the sum is 49.
The square root of 228887554 is about 15129.0301738082. The cubic root of 228887554 is about 611.7031628255.
It can be divided in two parts, 228887 and 554, that added together give a square (229441 = 4792).
The spelling of 228887554 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred fifty-four".
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