Base | Representation |
---|---|
bin | 11011001101011… |
… | …00011101000111 |
3 | 120220111011112012 |
4 | 31212230131013 |
5 | 431412403432 |
6 | 34352044435 |
7 | 5441033135 |
oct | 1546543507 |
9 | 526434465 |
10 | 228247367 |
11 | 107926697 |
12 | 6453371b |
13 | 3839761a |
14 | 22456755 |
15 | 15088cb2 |
hex | d9ac747 |
228247367 has 4 divisors (see below), whose sum is σ = 228369336. Its totient is φ = 228125400.
The previous prime is 228247363. The next prime is 228247379. The reversal of 228247367 is 763742822.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 763742822 = 2 ⋅381871411.
It is a cyclic number.
It is not a de Polignac number, because 228247367 - 22 = 228247363 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (228247363) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58133 + ... + 61934.
It is an arithmetic number, because the mean of its divisors is an integer number (57092334).
Almost surely, 2228247367 is an apocalyptic number.
228247367 is a deficient number, since it is larger than the sum of its proper divisors (121969).
228247367 is a wasteful number, since it uses less digits than its factorization.
228247367 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121968.
The product of its digits is 225792, while the sum is 41.
The square root of 228247367 is about 15107.8577899052. The cubic root of 228247367 is about 611.1323292823.
The spelling of 228247367 in words is "two hundred twenty-eight million, two hundred forty-seven thousand, three hundred sixty-seven".
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