Base | Representation |
---|---|
bin | 11011010011000… |
… | …01110010100000 |
3 | 120221212220101021 |
4 | 31221201302200 |
5 | 432110140422 |
6 | 34420015224 |
7 | 5450245441 |
oct | 1551416240 |
9 | 527786337 |
10 | 228990112 |
11 | 10829372a |
12 | 64831514 |
13 | 38597710 |
14 | 225ab2c8 |
15 | 15183dc7 |
hex | da61ca0 |
228990112 has 24 divisors (see below), whose sum is σ = 485503956. Its totient is φ = 105687552.
The previous prime is 228990107. The next prime is 228990133. The reversal of 228990112 is 211099822.
It can be written as a sum of positive squares in 2 ways, for example, as 213276816 + 15713296 = 14604^2 + 3964^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274813 + ... + 275644.
Almost surely, 2228990112 is an apocalyptic number.
It is an amenable number.
228990112 is an abundant number, since it is smaller than the sum of its proper divisors (256513844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228990112 is a wasteful number, since it uses less digits than its factorization.
228990112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 550480 (or 550472 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 228990112 is about 15132.4192381787. The cubic root of 228990112 is about 611.7945114438.
The spelling of 228990112 in words is "two hundred twenty-eight million, nine hundred ninety thousand, one hundred twelve".
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