Base | Representation |
---|---|
bin | 11011001101000… |
… | …01011101100010 |
3 | 120220101212202110 |
4 | 31212201131202 |
5 | 431404433323 |
6 | 34351100150 |
7 | 5440454640 |
oct | 1546413542 |
9 | 526355673 |
10 | 228202338 |
11 | 1078a5881 |
12 | 64511656 |
13 | 3837cc90 |
14 | 22444190 |
15 | 1507a793 |
hex | d9a1762 |
228202338 has 32 divisors (see below), whose sum is σ = 561730176. Its totient is φ = 60185088.
The previous prime is 228202321. The next prime is 228202361. The reversal of 228202338 is 833202822.
228202338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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, 208431 + ... + 209522.
It is an arithmetic number, because the mean of its divisors is an integer number (17554068).
Almost surely, 2228202338 is an apocalyptic number.
228202338 is an abundant number, since it is smaller than the sum of its proper divisors (333527838).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228202338 is a wasteful number, since it uses less digits than its factorization.
228202338 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 417978.
The product of its (nonzero) digits is 9216, while the sum is 30.
The square root of 228202338 is about 15106.3674654101. The cubic root of 228202338 is about 611.0921382564.
It can be divided in two parts, 228 and 202338, that added together give a triangular number (202566 = T636).
The spelling of 228202338 in words is "two hundred twenty-eight million, two hundred two thousand, three hundred thirty-eight".
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