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5685249 = 31895083
BaseRepresentation
bin10101101100000000000001
3101200211200210
4111230000001
52423411444
6321504333
766216033
oct25540001
911624623
105685249
113233459
121aa20a9
13124096b
14a7dc53
157747b9
hex56c001

5685249 has 4 divisors (see below), whose sum is σ = 7580336. Its totient is φ = 3790164.

The previous prime is 5685241. The next prime is 5685283. The reversal of 5685249 is 9425865.

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 5685249 - 23 = 5685241 is a prime.

It is a D-number.

It is a Duffinian number.

5685249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5685241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947539 + ... + 947544.

It is an arithmetic number, because the mean of its divisors is an integer number (1895084).

It is a Proth number, since it is equal to 347 ⋅ 214 + 1 and 347 < 214.

Almost surely, 25685249 is an apocalyptic number.

It is an amenable number.

5685249 is a deficient number, since it is larger than the sum of its proper divisors (1895087).

5685249 is a wasteful number, since it uses less digits than its factorization.

5685249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895086.

The product of its digits is 86400, while the sum is 39.

The square root of 5685249 is about 2384.3760190037. The cubic root of 5685249 is about 178.4773723956.

The spelling of 5685249 in words is "five million, six hundred eighty-five thousand, two hundred forty-nine".

Divisors: 1 3 1895083 5685249