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8394087 = 3133153131
BaseRepresentation
bin100000000001…
…010101100111
3120210110112010
4200001111213
54122102322
6455525303
7131230362
oct40012547
916713463
108394087
114813669
122989833
13197b920
1411870d9
15b0c20c
hex801567

8394087 has 32 divisors (see below), whose sum is σ = 12773376. Its totient is φ = 4867200.

The previous prime is 8394083. The next prime is 8394091. The reversal of 8394087 is 7804938.

It is an interprime number because it is at equal distance from previous prime (8394083) and next prime (8394091).

It is not a de Polignac number, because 8394087 - 22 = 8394083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

8394087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64012 + ... + 64142.

It is an arithmetic number, because the mean of its divisors is an integer number (399168).

Almost surely, 28394087 is an apocalyptic number.

8394087 is a deficient number, since it is larger than the sum of its proper divisors (4379289).

8394087 is a wasteful number, since it uses less digits than its factorization.

8394087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 8394087 is about 2897.2550802441. The cubic root of 8394087 is about 203.2315621376.

The spelling of 8394087 in words is "eight million, three hundred ninety-four thousand, eighty-seven".

Divisors: 1 3 13 31 39 53 93 131 159 393 403 689 1209 1643 1703 2067 4061 4929 5109 6943 12183 20829 21359 52793 64077 90259 158379 215233 270777 645699 2798029 8394087