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28466133 = 39488711
BaseRepresentation
bin110110010010…
…1101111010101
31222120020012020
41230211233111
524241404013
62454043353
7463646433
oct154455725
958506166
1028466133
1115083033
129649559
135b88a87
143acdd53
152774623
hex1b25bd5

28466133 has 4 divisors (see below), whose sum is σ = 37954848. Its totient is φ = 18977420.

The previous prime is 28466117. The next prime is 28466159. The reversal of 28466133 is 33166482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28466133 - 24 = 28466117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28466094 and 28466103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28466183) 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, 4744353 + ... + 4744358.

It is an arithmetic number, because the mean of its divisors is an integer number (9488712).

Almost surely, 228466133 is an apocalyptic number.

It is an amenable number.

28466133 is a deficient number, since it is larger than the sum of its proper divisors (9488715).

28466133 is an equidigital number, since it uses as much as digits as its factorization.

28466133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488714.

The product of its digits is 20736, while the sum is 33.

The square root of 28466133 is about 5335.3662479721. The cubic root of 28466133 is about 305.3346966318.

The spelling of 28466133 in words is "twenty-eight million, four hundred sixty-six thousand, one hundred thirty-three".

Divisors: 1 3 9488711 28466133