Base | Representation |
---|---|
bin | 11011010010101… |
… | …10001111100110 |
3 | 120221210111111210 |
4 | 31221112033212 |
5 | 432102132242 |
6 | 34415012250 |
7 | 5446660533 |
oct | 1551261746 |
9 | 527714453 |
10 | 228942822 |
11 | 108261149 |
12 | 6480a086 |
13 | 3857c034 |
14 | 22597d8a |
15 | 15174d9c |
hex | da563e6 |
228942822 has 8 divisors (see below), whose sum is σ = 457885656. Its totient is φ = 76314272.
The previous prime is 228942751. The next prime is 228942839. The reversal of 228942822 is 228249822.
It is a sphenic number, since it is the product of 3 distinct primes.
228942822 is an admirable number.
It is a super-3 number, since 3×2289428223 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19078563 + ... + 19078574.
It is an arithmetic number, because the mean of its divisors is an integer number (57235707).
Almost surely, 2228942822 is an apocalyptic number.
228942822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228942822 is a wasteful number, since it uses less digits than its factorization.
228942822 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38157142.
The product of its digits is 73728, while the sum is 39.
The square root of 228942822 is about 15130.8566181826. The cubic root of 228942822 is about 611.7523935345.
The spelling of 228942822 in words is "two hundred twenty-eight million, nine hundred forty-two thousand, eight hundred twenty-two".
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