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2067949 = 13159073
BaseRepresentation
bin111111000110111101101
310220001200201
413320313231
51012133244
6112153501
723402002
oct7706755
93801621
102067949
111192754
12838891
13575350
143bb8a9
152acad4
hex1f8ded

2067949 has 4 divisors (see below), whose sum is σ = 2227036. Its totient is φ = 1908864.

The previous prime is 2067937. The next prime is 2067977. The reversal of 2067949 is 9497602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1087849 + 980100 = 1043^2 + 990^2 .

It is a cyclic number.

It is not a de Polignac number, because 2067949 - 29 = 2067437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2067929) 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, 79524 + ... + 79549.

It is an arithmetic number, because the mean of its divisors is an integer number (556759).

22067949 is an apocalyptic number.

It is an amenable number.

2067949 is a deficient number, since it is larger than the sum of its proper divisors (159087).

2067949 is a wasteful number, since it uses less digits than its factorization.

2067949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159086.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2067949 is about 1438.0365085769. The cubic root of 2067949 is about 127.4030841103.

The spelling of 2067949 in words is "two million, sixty-seven thousand, nine hundred forty-nine".

Divisors: 1 13 159073 2067949