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5785149 = 31928383
BaseRepresentation
bin10110000100011000111101
3101212220201210
4112010120331
52440111044
6323555033
7100113216
oct26043075
911786653
105785149
1132a1517
121b2ba79
131277286
14aa840d
157941b9
hex58463d

5785149 has 4 divisors (see below), whose sum is σ = 7713536. Its totient is φ = 3856764.

The previous prime is 5785147. The next prime is 5785193. The reversal of 5785149 is 9415875.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5785149 - 21 = 5785147 is a prime.

It is a D-number.

It is a Duffinian number.

5785149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5785147) by changing a digit.

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, 964189 + ... + 964194.

It is an arithmetic number, because the mean of its divisors is an integer number (1928384).

Almost surely, 25785149 is an apocalyptic number.

It is an amenable number.

5785149 is a deficient number, since it is larger than the sum of its proper divisors (1928387).

5785149 is a wasteful number, since it uses less digits than its factorization.

5785149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928386.

The product of its digits is 50400, while the sum is 39.

The square root of 5785149 is about 2405.2336684821. The cubic root of 5785149 is about 179.5166973137.

The spelling of 5785149 in words is "five million, seven hundred eighty-five thousand, one hundred forty-nine".

Divisors: 1 3 1928383 5785149