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1066949 = 1382073
BaseRepresentation
bin100000100011111000101
32000012120122
410010133011
5233120244
634511325
712032432
oct4043705
92005518
101066949
11669684
12435545
132b4840
141dab89
151611ee
hex1047c5

1066949 has 4 divisors (see below), whose sum is σ = 1149036. Its totient is φ = 984864.

The previous prime is 1066931. The next prime is 1066973. The reversal of 1066949 is 9496601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9496601 = 29327469.

It can be written as a sum of positive squares in 2 ways, for example, as 52900 + 1014049 = 230^2 + 1007^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066949 - 28 = 1066693 is a prime.

It is a super-2 number, since 2×10669492 = 2276760337202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066909) 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, 41024 + ... + 41049.

It is an arithmetic number, because the mean of its divisors is an integer number (287259).

21066949 is an apocalyptic number.

It is an amenable number.

1066949 is a deficient number, since it is larger than the sum of its proper divisors (82087).

1066949 is an equidigital number, since it uses as much as digits as its factorization.

1066949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82086.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 1066949 is about 1032.9322339825. The cubic root of 1066949 is about 102.1836049696.

The spelling of 1066949 in words is "one million, sixty-six thousand, nine hundred forty-nine".

Divisors: 1 13 82073 1066949