Base | Representation |
---|---|
bin | 11011001100110… |
… | …10111011110101 |
3 | 120220100112002100 |
4 | 31212122323311 |
5 | 431403104410 |
6 | 34350332313 |
7 | 5440314000 |
oct | 1546327365 |
9 | 526315070 |
10 | 228175605 |
11 | 107887789 |
12 | 644ba099 |
13 | 38370a68 |
14 | 22438537 |
15 | 150728c0 |
hex | d99aef5 |
228175605 has 48 divisors (see below), whose sum is σ = 461260800. Its totient is φ = 104301792.
The previous prime is 228175603. The next prime is 228175613. The reversal of 228175605 is 506571822.
It is a happy number.
It is not a de Polignac number, because 228175605 - 21 = 228175603 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 228175605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228175603) 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, 8044 + ... + 22826.
It is an arithmetic number, because the mean of its divisors is an integer number (9609600).
Almost surely, 2228175605 is an apocalyptic number.
It is an amenable number.
228175605 is an abundant number, since it is smaller than the sum of its proper divisors (233085195).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228175605 is a wasteful number, since it uses less digits than its factorization.
228175605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14815 (or 14798 counting only the distinct ones).
The product of its (nonzero) digits is 33600, while the sum is 36.
The square root of 228175605 is about 15105.4826139386. The cubic root of 228175605 is about 611.0682749834.
The spelling of 228175605 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, six hundred five".
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