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87106 = 297449
BaseRepresentation
bin10101010001000010
311102111011
4111101002
510241411
61511134
7511645
oct252102
9142434
1087106
115a498
12424aa
1330856
1423a5c
151ac21
hex15442

87106 has 8 divisors (see below), whose sum is σ = 132300. Its totient is φ = 43008.

The previous prime is 87103. The next prime is 87107. The reversal of 87106 is 60178.

It can be written as a sum of positive squares in 2 ways, for example, as 87025 + 81 = 295^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87103) 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, 31 + ... + 418.

287106 is an apocalyptic number.

87106 is a deficient number, since it is larger than the sum of its proper divisors (45194).

87106 is a wasteful number, since it uses less digits than its factorization.

87106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 87106 is about 295.1372562046. The cubic root of 87106 is about 44.3284647388.

The spelling of 87106 in words is "eighty-seven thousand, one hundred six".

Divisors: 1 2 97 194 449 898 43553 87106