Base | Representation |
---|---|
bin | 11011001011101… |
… | …01011101001000 |
3 | 120220001201111112 |
4 | 31211311131020 |
5 | 431333201323 |
6 | 34343145452 |
7 | 5436104300 |
oct | 1545653510 |
9 | 526051445 |
10 | 228022088 |
11 | 107792408 |
12 | 64445288 |
13 | 38318c18 |
14 | 223d8600 |
15 | 15042178 |
hex | d975748 |
228022088 has 48 divisors (see below), whose sum is σ = 526615020. Its totient is φ = 91972608.
The previous prime is 228022063. The next prime is 228022117. The reversal of 228022088 is 880220822.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 187087684 + 40934404 = 13678^2 + 6398^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10445 + ... + 23772.
Almost surely, 2228022088 is an apocalyptic number.
228022088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
228022088 is an abundant number, since it is smaller than the sum of its proper divisors (298592932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228022088 is a wasteful number, since it uses less digits than its factorization.
228022088 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34254 (or 34243 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 32.
The square root of 228022088 is about 15100.4002595958. The cubic root of 228022088 is about 610.9312015882.
The spelling of 228022088 in words is "two hundred twenty-eight million, twenty-two thousand, eighty-eight".
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