Base | Representation |
---|---|
bin | 11011000111100… |
… | …11000011110100 |
3 | 120212001120212001 |
4 | 31203303003310 |
5 | 431214103423 |
6 | 34323505044 |
7 | 5431421200 |
oct | 1543630364 |
9 | 525046761 |
10 | 227487988 |
11 | 107458102 |
12 | 64228184 |
13 | 3818caa0 |
14 | 222d9b00 |
15 | 14e88cad |
hex | d8f30f4 |
227487988 has 144 divisors (see below), whose sum is σ = 543406080. Its totient is φ = 82301184.
The previous prime is 227487983. The next prime is 227488021. The reversal of 227487988 is 889784722.
227487988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (227487983) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1791181 + ... + 1791307.
Almost surely, 2227487988 is an apocalyptic number.
227487988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 227487988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271703040).
227487988 is an abundant number, since it is smaller than the sum of its proper divisors (315918092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
227487988 is a wasteful number, since it uses less digits than its factorization.
227487988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214 (or 205 counting only the distinct ones).
The product of its digits is 3612672, while the sum is 55.
The square root of 227487988 is about 15082.7049298195. The cubic root of 227487988 is about 610.4538305078.
The spelling of 227487988 in words is "two hundred twenty-seven million, four hundred eighty-seven thousand, nine hundred eighty-eight".
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