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28967033 = 411793947
BaseRepresentation
bin110111010000…
…0000001111001
32000111200022002
41232200001321
524403421113
62512510345
7501133664
oct156400171
960450262
1028967033
11153953a7
12984b3b5
136002a74
143bc06db
152822c58
hex1ba0079

28967033 has 8 divisors (see below), whose sum is σ = 29846880. Its totient is φ = 28095520.

The previous prime is 28967023. The next prime is 28967063. The reversal of 28967033 is 33076982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28967033 - 24 = 28967017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28967023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5366 + ... + 9312.

It is an arithmetic number, because the mean of its divisors is an integer number (3730860).

Almost surely, 228967033 is an apocalyptic number.

It is an amenable number.

28967033 is a deficient number, since it is larger than the sum of its proper divisors (879847).

28967033 is a wasteful number, since it uses less digits than its factorization.

28967033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 28967033 is about 5382.1030276278. The cubic root of 28967033 is about 307.1152188064.

The spelling of 28967033 in words is "twenty-eight million, nine hundred sixty-seven thousand, thirty-three".

Divisors: 1 41 179 3947 7339 161827 706513 28967033