Base | Representation |
---|---|
bin | 11011010001101… |
… | …01001110100100 |
3 | 120221112122000010 |
4 | 31220311032210 |
5 | 432033320323 |
6 | 34412050220 |
7 | 5445555342 |
oct | 1550651644 |
9 | 527478003 |
10 | 228807588 |
11 | 108179589 |
12 | 64763970 |
13 | 38532609 |
14 | 22560992 |
15 | 15149c93 |
hex | da353a4 |
228807588 has 24 divisors (see below), whose sum is σ = 557097408. Its totient is φ = 72953056.
The previous prime is 228807583. The next prime is 228807629. The reversal of 228807588 is 885708822.
It is a happy number.
228807588 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not an unprimeable number, because it can be changed into a prime (228807583) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414231 + ... + 414782.
It is an arithmetic number, because the mean of its divisors is an integer number (23212392).
Almost surely, 2228807588 is an apocalyptic number.
It is an amenable number.
228807588 is an abundant number, since it is smaller than the sum of its proper divisors (328289820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228807588 is a wasteful number, since it uses less digits than its factorization.
228807588 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 829043 (or 829041 counting only the distinct ones).
The product of its (nonzero) digits is 573440, while the sum is 48.
The square root of 228807588 is about 15126.3871430028. The cubic root of 228807588 is about 611.6319180128.
The spelling of 228807588 in words is "two hundred twenty-eight million, eight hundred seven thousand, five hundred eighty-eight".
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