Base | Representation |
---|---|
bin | 110110110101… |
… | …1101100011111 |
3 | 2000002210020202 |
4 | 1231223230133 |
5 | 24330041141 |
6 | 2504134115 |
7 | 466252013 |
oct | 155535437 |
9 | 60083222 |
10 | 28752671 |
11 | 15259342 |
12 | 976733b |
13 | 5c5931c |
14 | 3b66543 |
15 | 27ce49b |
hex | 1b6bb1f |
28752671 has 2 divisors, whose sum is σ = 28752672. Its totient is φ = 28752670.
The previous prime is 28752667. The next prime is 28752677. The reversal of 28752671 is 17625782.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 28752671 - 22 = 28752667 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28752677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14376335 + 14376336.
It is an arithmetic number, because the mean of its divisors is an integer number (14376336).
Almost surely, 228752671 is an apocalyptic number.
28752671 is a deficient number, since it is larger than the sum of its proper divisors (1).
28752671 is an equidigital number, since it uses as much as digits as its factorization.
28752671 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 47040, while the sum is 38.
The square root of 28752671 is about 5362.1517136314. The cubic root of 28752671 is about 306.3557704349.
The spelling of 28752671 in words is "twenty-eight million, seven hundred fifty-two thousand, six hundred seventy-one".
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