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4080655 = 5816131
BaseRepresentation
bin1111100100010000001111
321200022121101
433210100033
52021040110
6223243531
746453645
oct17442017
97608541
104080655
112337947
1214495a7
13acb4b7
14783195
1555913a
hex3e440f

4080655 has 4 divisors (see below), whose sum is σ = 4896792. Its totient is φ = 3264520.

The previous prime is 4080647. The next prime is 4080679. The reversal of 4080655 is 5560804.

4080655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4080655 - 23 = 4080647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408061 + ... + 408070.

It is an arithmetic number, because the mean of its divisors is an integer number (1224198).

Almost surely, 24080655 is an apocalyptic number.

4080655 is a deficient number, since it is larger than the sum of its proper divisors (816137).

4080655 is an equidigital number, since it uses as much as digits as its factorization.

4080655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816136.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 4080655 is about 2020.0631178258. The cubic root of 4080655 is about 159.7999452799.

The spelling of 4080655 in words is "four million, eighty thousand, six hundred fifty-five".

Divisors: 1 5 816131 4080655