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4049087 = 7578441
BaseRepresentation
bin1111011100100010111111
321121201022012
433130202333
52014032322
6222441435
746262630
oct17344277
97551265
104049087
112316159
12143327b
13aba013
14775887
1554eae2
hex3dc8bf

4049087 has 4 divisors (see below), whose sum is σ = 4627536. Its totient is φ = 3470640.

The previous prime is 4049069. The next prime is 4049093. The reversal of 4049087 is 7809404.

It is a happy number.

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 4049087 - 28 = 4048831 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049047) 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, 289214 + ... + 289227.

It is an arithmetic number, because the mean of its divisors is an integer number (1156884).

Almost surely, 24049087 is an apocalyptic number.

4049087 is a deficient number, since it is larger than the sum of its proper divisors (578449).

4049087 is an equidigital number, since it uses as much as digits as its factorization.

4049087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578448.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4049087 is about 2012.2343302906. The cubic root of 4049087 is about 159.3868066096.

The spelling of 4049087 in words is "four million, forty-nine thousand, eighty-seven".

Divisors: 1 7 578441 4049087