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28983119 = 112634829
BaseRepresentation
bin110111010001…
…1111101001111
32000112111100212
41232203331033
524404424434
62513113035
7501231614
oct156437517
960474325
1028983119
11153a64a0
12985877b
13600a199
143bc650b
1528278ce
hex1ba3f4f

28983119 has 4 divisors (see below), whose sum is σ = 31617960. Its totient is φ = 26348280.

The previous prime is 28983107. The next prime is 28983121. The reversal of 28983119 is 91138982.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28983119 - 224 = 12205903 is a prime.

It is a super-2 number, since 2×289831192 = 1680042373936322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28983139) 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 3 ways as a sum of consecutive naturals, for example, 1317404 + ... + 1317425.

It is an arithmetic number, because the mean of its divisors is an integer number (7904490).

Almost surely, 228983119 is an apocalyptic number.

28983119 is a deficient number, since it is larger than the sum of its proper divisors (2634841).

28983119 is a wasteful number, since it uses less digits than its factorization.

28983119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634840.

The product of its digits is 31104, while the sum is 41.

The square root of 28983119 is about 5383.5972174746. The cubic root of 28983119 is about 307.1720574571.

The spelling of 28983119 in words is "twenty-eight million, nine hundred eighty-three thousand, one hundred nineteen".

Divisors: 1 11 2634829 28983119