Base | Representation |
---|---|
bin | 11011010000101… |
… | …00110110101100 |
3 | 120221021220010000 |
4 | 31220110312230 |
5 | 432020044423 |
6 | 34405144300 |
7 | 5444463633 |
oct | 1550246654 |
9 | 527256100 |
10 | 228674988 |
11 | 1080989a3 |
12 | 646bb090 |
13 | 384b7159 |
14 | 2252851a |
15 | 15120843 |
hex | da14dac |
228674988 has 30 divisors (see below), whose sum is σ = 597802436. Its totient is φ = 76224888.
The previous prime is 228674987. The next prime is 228675001. The reversal of 228674988 is 889476822.
228674988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (228674981) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 352570 + ... + 353217.
Almost surely, 2228674988 is an apocalyptic number.
It is an amenable number.
228674988 is an abundant number, since it is smaller than the sum of its proper divisors (369127448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228674988 is a wasteful number, since it uses less digits than its factorization.
228674988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 705803 (or 705792 counting only the distinct ones).
The product of its digits is 3096576, while the sum is 54.
The square root of 228674988 is about 15122.0034386982. The cubic root of 228674988 is about 611.5137429338.
The spelling of 228674988 in words is "two hundred twenty-eight million, six hundred seventy-four thousand, nine hundred eighty-eight".
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