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87411 = 329137
BaseRepresentation
bin10101010101110011
311102220110
4111111303
510244121
61512403
7512562
oct252563
9142813
1087411
115a745
1242703
1330a2c
1423bd9
151ad76
hex15573

87411 has 4 divisors (see below), whose sum is σ = 116552. Its totient is φ = 58272.

The previous prime is 87407. The next prime is 87421. The reversal of 87411 is 11478.

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

It is not a de Polignac number, because 87411 - 22 = 87407 is a prime.

It is a D-number.

It is a Duffinian number.

87411 is a lucky number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87421) 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, 14566 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (29138).

287411 is an apocalyptic number.

87411 is a deficient number, since it is larger than the sum of its proper divisors (29141).

87411 is a wasteful number, since it uses less digits than its factorization.

87411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29140.

The product of its digits is 224, while the sum is 21.

The square root of 87411 is about 295.6535134241. The cubic root of 87411 is about 44.3801428940.

Adding to 87411 its reverse (11478), we get a palindrome (98889).

The spelling of 87411 in words is "eighty-seven thousand, four hundred eleven".

Divisors: 1 3 29137 87411