Base | Representation |
---|---|
bin | 110101011110… |
… | …0101000100011 |
3 | 1221202100122021 |
4 | 1222330220203 |
5 | 24134114434 |
6 | 2440522311 |
7 | 460204333 |
oct | 152745043 |
9 | 57670567 |
10 | 28035619 |
11 | 14909637 |
12 | 9480397 |
13 | 5a67b31 |
14 | 3a1b0c3 |
15 | 26dbcb4 |
hex | 1abca23 |
28035619 has 8 divisors (see below), whose sum is σ = 28435680. Its totient is φ = 27638016.
The previous prime is 28035617. The next prime is 28035629. The reversal of 28035619 is 91653082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28035619 - 21 = 28035617 is a prime.
It is a super-2 number, since 2×280356192 = 1571991865426322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28035611) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37362 + ... + 38104.
It is an arithmetic number, because the mean of its divisors is an integer number (3554460).
Almost surely, 228035619 is an apocalyptic number.
28035619 is a deficient number, since it is larger than the sum of its proper divisors (400061).
28035619 is an equidigital number, since it uses as much as digits as its factorization.
28035619 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1229.
The product of its (nonzero) digits is 12960, while the sum is 34.
The square root of 28035619 is about 5294.8672315744. The cubic root of 28035619 is about 303.7876048437.
The spelling of 28035619 in words is "twenty-eight million, thirty-five thousand, six hundred nineteen".
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