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580087 = 2983241
BaseRepresentation
bin10001101100111110111
31002110201201
42031213313
5122030322
620233331
74634134
oct2154767
91073651
10580087
11366912
1223b847
13174061
1411158b
15b6d27
hex8d9f7

580087 has 8 divisors (see below), whose sum is σ = 609840. Its totient is φ = 551040.

The previous prime is 580081. The next prime is 580093. The reversal of 580087 is 780085.

It is an interprime number because it is at equal distance from previous prime (580081) and next prime (580093).

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 580087 - 23 = 580079 is a prime.

It is a Duffinian number.

580087 is a modest number, since divided by 87 gives 58 as remainder.

580087 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287 + ... + 2527.

It is an arithmetic number, because the mean of its divisors is an integer number (76230).

2580087 is an apocalyptic number.

580087 is the 482-nd heptagonal number.

580087 is a deficient number, since it is larger than the sum of its proper divisors (29753).

580087 is a wasteful number, since it uses less digits than its factorization.

580087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 580087 is about 761.6344267429. The cubic root of 580087 is about 83.3996787210.

The spelling of 580087 in words is "five hundred eighty thousand, eighty-seven".

Divisors: 1 29 83 241 2407 6989 20003 580087