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83004087 = 327668029
BaseRepresentation
bin1001111001010…
…00101010110111
312210012001012110
410330220222313
5132222112322
612123022103
72025344265
oct474505267
9183161173
1083004087
1142943221
122396a933
131427285a
14b049435
157448c0c
hex4f28ab7

83004087 has 4 divisors (see below), whose sum is σ = 110672120. Its totient is φ = 55336056.

The previous prime is 83004083. The next prime is 83004107. The reversal of 83004087 is 78040038.

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

It is not a de Polignac number, because 83004087 - 22 = 83004083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83004083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13834012 + ... + 13834017.

It is an arithmetic number, because the mean of its divisors is an integer number (27668030).

Almost surely, 283004087 is an apocalyptic number.

83004087 is a deficient number, since it is larger than the sum of its proper divisors (27668033).

83004087 is a wasteful number, since it uses less digits than its factorization.

83004087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27668032.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 83004087 is about 9110.6578796484. The cubic root of 83004087 is about 436.2142267801.

The spelling of 83004087 in words is "eighty-three million, four thousand, eighty-seven".

Divisors: 1 3 27668029 83004087