Base | Representation |
---|---|
bin | 110110000110… |
… | …0001010011011 |
3 | 1222100220111011 |
4 | 1230030022123 |
5 | 24230030441 |
6 | 2451514351 |
7 | 463032133 |
oct | 154141233 |
9 | 58326434 |
10 | 28361371 |
11 | 15011355 |
12 | 95b89b7 |
13 | 5b5019c |
14 | 3aa3ac3 |
15 | 2753581 |
hex | 1b0c29b |
28361371 has 2 divisors, whose sum is σ = 28361372. Its totient is φ = 28361370.
The previous prime is 28361353. The next prime is 28361387. The reversal of 28361371 is 17316382.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28361371 - 25 = 28361339 is a prime.
It is equal to p1762528 and since 28361371 and 1762528 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (28361171) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14180685 + 14180686.
It is an arithmetic number, because the mean of its divisors is an integer number (14180686).
Almost surely, 228361371 is an apocalyptic number.
28361371 is a deficient number, since it is larger than the sum of its proper divisors (1).
28361371 is an equidigital number, since it uses as much as digits as its factorization.
28361371 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 31.
The square root of 28361371 is about 5325.5395031865. The cubic root of 28361371 is about 304.9596685898.
The spelling of 28361371 in words is "twenty-eight million, three hundred sixty-one thousand, three hundred seventy-one".
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