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87043 = 1141193
BaseRepresentation
bin10101010000000011
311102101211
4111100003
510241133
61510551
7511525
oct252003
9142354
1087043
115a440
1242457
1330808
1423a15
151abcd
hex15403

87043 has 8 divisors (see below), whose sum is σ = 97776. Its totient is φ = 76800.

The previous prime is 87041. The next prime is 87049. The reversal of 87043 is 34078.

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 87043 - 21 = 87041 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (87041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 547.

It is an arithmetic number, because the mean of its divisors is an integer number (12222).

287043 is an apocalyptic number.

87043 is a deficient number, since it is larger than the sum of its proper divisors (10733).

87043 is a wasteful number, since it uses less digits than its factorization.

87043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 87043 is about 295.0305068972. The cubic root of 87043 is about 44.3177752080.

Adding to 87043 its reverse (34078), we get a palindrome (121121).

The spelling of 87043 in words is "eighty-seven thousand, forty-three".

Divisors: 1 11 41 193 451 2123 7913 87043