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3689087 = 6755061
BaseRepresentation
bin1110000100101001111111
320221102110212
432010221333
51421022322
6211023035
743233233
oct16045177
96842425
103689087
11209a736
12129aa7b
139c21bc
146c05c3
154cd0e2
hex384a7f

3689087 has 4 divisors (see below), whose sum is σ = 3744216. Its totient is φ = 3633960.

The previous prime is 3689069. The next prime is 3689113. The reversal of 3689087 is 7809863.

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

It is a cyclic number.

It is not a de Polignac number, because 3689087 - 210 = 3688063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3689887) 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 3 ways as a sum of consecutive naturals, for example, 27464 + ... + 27597.

It is an arithmetic number, because the mean of its divisors is an integer number (936054).

Almost surely, 23689087 is an apocalyptic number.

3689087 is a deficient number, since it is larger than the sum of its proper divisors (55129).

3689087 is an equidigital number, since it uses as much as digits as its factorization.

3689087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55128.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 3689087 is about 1920.6996121205. The cubic root of 3689087 is about 154.5158252625.

The spelling of 3689087 in words is "three million, six hundred eighty-nine thousand, eighty-seven".

Divisors: 1 67 55061 3689087