Base | Representation |
---|---|
bin | 110110110110… |
… | …0000111101101 |
3 | 2000002212122021 |
4 | 1231230013231 |
5 | 24330120123 |
6 | 2504150141 |
7 | 466260052 |
oct | 155540755 |
9 | 60085567 |
10 | 28754413 |
11 | 1525a686 |
12 | 9768351 |
13 | 5c5a05c |
14 | 3b67029 |
15 | 27cec5d |
hex | 1b6c1ed |
28754413 has 2 divisors, whose sum is σ = 28754414. Its totient is φ = 28754412.
The previous prime is 28754377. The next prime is 28754419. The reversal of 28754413 is 31445782.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 23794884 + 4959529 = 4878^2 + 2227^2 .
It is a cyclic number.
It is not a de Polignac number, because 28754413 - 217 = 28623341 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28754419) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14377206 + 14377207.
It is an arithmetic number, because the mean of its divisors is an integer number (14377207).
Almost surely, 228754413 is an apocalyptic number.
It is an amenable number.
28754413 is a deficient number, since it is larger than the sum of its proper divisors (1).
28754413 is an equidigital number, since it uses as much as digits as its factorization.
28754413 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 26880, while the sum is 34.
The square root of 28754413 is about 5362.3141459635. The cubic root of 28754413 is about 306.3619572337.
The spelling of 28754413 in words is "twenty-eight million, seven hundred fifty-four thousand, four hundred thirteen".
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