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28327033 = 74046719
BaseRepresentation
bin110110000001…
…1110001111001
31222022011101101
41230003301321
524222431113
62451051401
7462530050
oct154036171
958264341
1028327033
1114a98579
1295a0b61
135b3a677
143a95397
1527482dd
hex1b03c79

28327033 has 4 divisors (see below), whose sum is σ = 32373760. Its totient is φ = 24280308.

The previous prime is 28327031. The next prime is 28327051. The reversal of 28327033 is 33072382.

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 28327033 - 21 = 28327031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28326992 and 28327010.

It is not an unprimeable number, because it can be changed into a prime (28327031) 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 3 ways as a sum of consecutive naturals, for example, 2023353 + ... + 2023366.

It is an arithmetic number, because the mean of its divisors is an integer number (8093440).

Almost surely, 228327033 is an apocalyptic number.

It is an amenable number.

28327033 is a deficient number, since it is larger than the sum of its proper divisors (4046727).

28327033 is an equidigital number, since it uses as much as digits as its factorization.

28327033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046726.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 28327033 is about 5322.3146280542. The cubic root of 28327033 is about 304.8365441461.

The spelling of 28327033 in words is "twenty-eight million, three hundred twenty-seven thousand, thirty-three".

Divisors: 1 7 4046719 28327033