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28833963 = 3192412099
BaseRepresentation
bin110110111111…
…1100010101011
32000020220202120
41231333202223
524340141323
62510002323
7500041014
oct155774253
960226676
1028833963
1115304424
1297a63a3
135c87322
143b8800b
1527e85e3
hex1b7f8ab

28833963 has 16 divisors (see below), whose sum is σ = 40656000. Its totient is φ = 18126720.

The previous prime is 28833943. The next prime is 28833991. The reversal of 28833963 is 36933882.

It is not a de Polignac number, because 28833963 - 29 = 28833451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28833943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12688 + ... + 14786.

It is an arithmetic number, because the mean of its divisors is an integer number (2541000).

Almost surely, 228833963 is an apocalyptic number.

28833963 is a deficient number, since it is larger than the sum of its proper divisors (11822037).

28833963 is a wasteful number, since it uses less digits than its factorization.

28833963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362.

The product of its digits is 186624, while the sum is 42.

The square root of 28833963 is about 5369.7265293495. The cubic root of 28833963 is about 306.6442171394.

The spelling of 28833963 in words is "twenty-eight million, eight hundred thirty-three thousand, nine hundred sixty-three".

Divisors: 1 3 19 57 241 723 2099 4579 6297 13737 39881 119643 505859 1517577 9611321 28833963