Base | Representation |
---|---|
bin | 11011001100100… |
… | …11000111010010 |
3 | 120220021220010212 |
4 | 31212103013102 |
5 | 431401043240 |
6 | 34345524122 |
7 | 5440121414 |
oct | 1546230722 |
9 | 526256125 |
10 | 228143570 |
11 | 107865706 |
12 | 644a3642 |
13 | 3835c2c5 |
14 | 2242a9b4 |
15 | 15068165 |
hex | d9931d2 |
228143570 has 32 divisors (see below), whose sum is σ = 448851456. Its totient is φ = 83116800.
The previous prime is 228143569. The next prime is 228143603. The reversal of 228143570 is 75341822.
228143570 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, 16376 + ... + 26915.
It is an arithmetic number, because the mean of its divisors is an integer number (14026608).
Almost surely, 2228143570 is an apocalyptic number.
228143570 is a deficient number, since it is larger than the sum of its proper divisors (220707886).
228143570 is a wasteful number, since it uses less digits than its factorization.
228143570 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43346.
The product of its (nonzero) digits is 13440, while the sum is 32.
The square root of 228143570 is about 15104.4222001373. The cubic root of 228143570 is about 611.0396764129.
The spelling of 228143570 in words is "two hundred twenty-eight million, one hundred forty-three thousand, five hundred seventy".
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