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4087085 = 54119937
BaseRepresentation
bin1111100101110100101101
321200122102112
433211310231
52021241320
6223333405
746511462
oct17456455
97618375
104087085
112341762
121451265
13b013c2
14785669
1555aec5
hex3e5d2d

4087085 has 8 divisors (see below), whose sum is σ = 5024376. Its totient is φ = 3189760.

The previous prime is 4087037. The next prime is 4087093. The reversal of 4087085 is 5807804.

It can be written as a sum of positive squares in 4 ways, for example, as 75076 + 4012009 = 274^2 + 2003^2 .

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

It is not a de Polignac number, because 4087085 - 28 = 4086829 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

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, 9764 + ... + 10173.

It is an arithmetic number, because the mean of its divisors is an integer number (628047).

Almost surely, 24087085 is an apocalyptic number.

It is an amenable number.

4087085 is a deficient number, since it is larger than the sum of its proper divisors (937291).

4087085 is a wasteful number, since it uses less digits than its factorization.

4087085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19983.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 4087085 is about 2021.6540257918. The cubic root of 4087085 is about 159.8838349518.

The spelling of 4087085 in words is "four million, eighty-seven thousand, eighty-five".

Divisors: 1 5 41 205 19937 99685 817417 4087085