Base | Representation |
---|---|
bin | 11011001100100… |
… | …10110010111000 |
3 | 120220021211100111 |
4 | 31212102302320 |
5 | 431401023024 |
6 | 34345514104 |
7 | 5440114540 |
oct | 1546226270 |
9 | 526254314 |
10 | 228142264 |
11 | 107864729 |
12 | 644a2934 |
13 | 3835b82c |
14 | 2242a320 |
15 | 15067a94 |
hex | d992cb8 |
228142264 has 64 divisors (see below), whose sum is σ = 498389760. Its totient is φ = 95896320.
The previous prime is 228142249. The next prime is 228142279. The reversal of 228142264 is 462241822.
228142264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (228142249) and next prime (228142279).
It is a congruent number.
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, 1004919 + ... + 1005145.
It is an arithmetic number, because the mean of its divisors is an integer number (7787340).
Almost surely, 2228142264 is an apocalyptic number.
It is an amenable number.
228142264 is an abundant number, since it is smaller than the sum of its proper divisors (270247496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228142264 is a wasteful number, since it uses less digits than its factorization.
228142264 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 508 (or 504 counting only the distinct ones).
The product of its digits is 12288, while the sum is 31.
The square root of 228142264 is about 15104.3789677034. The cubic root of 228142264 is about 611.0385104521.
The spelling of 228142264 in words is "two hundred twenty-eight million, one hundred forty-two thousand, two hundred sixty-four".
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