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84332287 = 1337175327
BaseRepresentation
bin1010000011011…
…00111011111111
312212200112011001
411001230323333
5133042113122
612211311131
72042545504
oct501547377
9185615131
1084332287
1143670106
12242ab4a7
1314619280
14b2b34ab
15760c527
hex506ceff

84332287 has 8 divisors (see below), whose sum is σ = 93274496. Its totient is φ = 75740832.

The previous prime is 84332251. The next prime is 84332293. The reversal of 84332287 is 78223348.

It is a happy number.

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 84332287 - 215 = 84299519 is a prime.

It is a super-2 number, since 2×843322872 = 14223869261300738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84332987) 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 7 ways as a sum of consecutive naturals, for example, 87183 + ... + 88144.

It is an arithmetic number, because the mean of its divisors is an integer number (11659312).

Almost surely, 284332287 is an apocalyptic number.

84332287 is a deficient number, since it is larger than the sum of its proper divisors (8942209).

84332287 is a wasteful number, since it uses less digits than its factorization.

84332287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175377.

The product of its digits is 64512, while the sum is 37.

The square root of 84332287 is about 9183.2612398864. The cubic root of 84332287 is about 438.5286372354.

The spelling of 84332287 in words is "eighty-four million, three hundred thirty-two thousand, two hundred eighty-seven".

Divisors: 1 13 37 481 175327 2279251 6487099 84332287