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28834831 is a prime number
BaseRepresentation
bin110110111111…
…1110000001111
32000020221221201
41231333300033
524340203311
62510010331
7500043364
oct155776017
960227851
1028834831
1115305043
1297a69a7
135c8783c
143b8846b
1527e89c1
hex1b7fc0f

28834831 has 2 divisors, whose sum is σ = 28834832. Its totient is φ = 28834830.

The previous prime is 28834753. The next prime is 28834853. The reversal of 28834831 is 13843882.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28834831 - 29 = 28834319 is a prime.

It is a super-2 number, since 2×288348312 = 1662894957597122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28834891) 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 as a sum of consecutive naturals, namely, 14417415 + 14417416.

It is an arithmetic number, because the mean of its divisors is an integer number (14417416).

Almost surely, 228834831 is an apocalyptic number.

28834831 is a deficient number, since it is larger than the sum of its proper divisors (1).

28834831 is an equidigital number, since it uses as much as digits as its factorization.

28834831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 37.

The square root of 28834831 is about 5369.8073522241. The cubic root of 28834831 is about 306.6472941186.

The spelling of 28834831 in words is "twenty-eight million, eight hundred thirty-four thousand, eight hundred thirty-one".