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4085023 = 6835981
BaseRepresentation
bin1111100101010100011111
321200112121011
433211110133
52021210043
6223320051
746502455
oct17452437
97615534
104085023
112340158
121450027
13b00497
147849d5
1555a59d
hex3e551f

4085023 has 4 divisors (see below), whose sum is σ = 4091688. Its totient is φ = 4078360.

The previous prime is 4084999. The next prime is 4085033. The reversal of 4085023 is 3205804.

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 4085023 - 25 = 4084991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4084985 and 4085003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085033) 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, 2308 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (1022922).

Almost surely, 24085023 is an apocalyptic number.

4085023 is a deficient number, since it is larger than the sum of its proper divisors (6665).

4085023 is an equidigital number, since it uses as much as digits as its factorization.

4085023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6664.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4085023 is about 2021.1439829958. The cubic root of 4085023 is about 159.8569424415.

The spelling of 4085023 in words is "four million, eighty-five thousand, twenty-three".

Divisors: 1 683 5981 4085023