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1085449 = 4325243
BaseRepresentation
bin100001001000000001001
32001010221211
410021000021
5234213244
635133121
712140401
oct4110011
92033854
101085449
11681572
124441a1
132c00a1
14203801
15166934
hex109009

1085449 has 4 divisors (see below), whose sum is σ = 1110736. Its totient is φ = 1060164.

The previous prime is 1085443. The next prime is 1085459. The reversal of 1085449 is 9445801.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9445801 = 23410687.

It is a cyclic number.

It is not a de Polignac number, because 1085449 - 217 = 954377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085449.

It is not an unprimeable number, because it can be changed into a prime (1085443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12579 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (277684).

21085449 is an apocalyptic number.

It is an amenable number.

1085449 is a deficient number, since it is larger than the sum of its proper divisors (25287).

1085449 is an equidigital number, since it uses as much as digits as its factorization.

1085449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25286.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1085449 is about 1041.8488374040. The cubic root of 1085449 is about 102.7708166592.

The spelling of 1085449 in words is "one million, eighty-five thousand, four hundred forty-nine".

Divisors: 1 43 25243 1085449