Base | Representation |
---|---|
bin | 11011010001110… |
… | …01011011001010 |
3 | 120221120111120210 |
4 | 31220321123022 |
5 | 432034343103 |
6 | 34412301550 |
7 | 5445656430 |
oct | 1550713312 |
9 | 527514523 |
10 | 228824778 |
11 | 108190496 |
12 | 647718b6 |
13 | 3853a3a0 |
14 | 22566d50 |
15 | 1514ee03 |
hex | da396ca |
228824778 has 64 divisors (see below), whose sum is σ = 571076352. Its totient is φ = 59512320.
The previous prime is 228824753. The next prime is 228824839. The reversal of 228824778 is 877428822.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36988 + ... + 42728.
It is an arithmetic number, because the mean of its divisors is an integer number (8923068).
Almost surely, 2228824778 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 228824778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285538176).
228824778 is an abundant number, since it is smaller than the sum of its proper divisors (342251574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228824778 is a wasteful number, since it uses less digits than its factorization.
228824778 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5839.
The product of its digits is 802816, while the sum is 48.
The square root of 228824778 is about 15126.9553446819. The cubic root of 228824778 is about 611.6472346514.
The spelling of 228824778 in words is "two hundred twenty-eight million, eight hundred twenty-four thousand, seven hundred seventy-eight".
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