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87058 = 2192979
BaseRepresentation
bin10101010000010010
311102102101
4111100102
510241213
61511014
7511546
oct252022
9142371
1087058
115a454
124246a
133081a
1423a26
151abdd
hex15412

87058 has 16 divisors (see below), whose sum is σ = 144000. Its totient is φ = 39312.

The previous prime is 87049. The next prime is 87071. The reversal of 87058 is 85078.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (9000).

287058 is an apocalyptic number.

87058 is a deficient number, since it is larger than the sum of its proper divisors (56942).

87058 is a wasteful number, since it uses less digits than its factorization.

87058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129.

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

The square root of 87058 is about 295.0559269020. The cubic root of 87058 is about 44.3203208021.

Adding to 87058 its product of nonzero digits (2240), we get a palindrome (89298).

The spelling of 87058 in words is "eighty-seven thousand, fifty-eight".

Divisors: 1 2 19 29 38 58 79 158 551 1102 1501 2291 3002 4582 43529 87058