Base | Representation |
---|---|
bin | 11011010001000… |
… | …01100011011000 |
3 | 120221101112110101 |
4 | 31220201203120 |
5 | 432023231000 |
6 | 34410225144 |
7 | 5445101365 |
oct | 1550414330 |
9 | 527345411 |
10 | 228727000 |
11 | 108123a87 |
12 | 647251b4 |
13 | 38504a28 |
14 | 2253d46c |
15 | 15130e6a |
hex | da218d8 |
228727000 has 64 divisors (see below), whose sum is σ = 539735040. Its totient is φ = 90720000.
The previous prime is 228726989. The next prime is 228727033. The reversal of 228727000 is 727822.
It is a self number, because there is not a number n which added to its sum of digits gives 228727000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126100 + ... + 127900.
It is an arithmetic number, because the mean of its divisors is an integer number (8433360).
Almost surely, 2228727000 is an apocalyptic number.
228727000 is a gapful number since it is divisible by the number (20) 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 228727000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269867520).
228727000 is an abundant number, since it is smaller than the sum of its proper divisors (311008040).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228727000 is a wasteful number, since it uses less digits than its factorization.
228727000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1949 (or 1935 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 28.
The square root of 228727000 is about 15123.7230865948. The cubic root of 228727000 is about 611.5601022405.
The spelling of 228727000 in words is "two hundred twenty-eight million, seven hundred twenty-seven thousand".
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