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2009053 = 12971549
BaseRepresentation
bin111101010011111011101
310210001220101
413222133131
51003242203
6111021101
723035204
oct7523735
93701811
102009053
111152482
1280a791
135545b7
143a423b
1529a41d
hex1ea7dd

2009053 has 4 divisors (see below), whose sum is σ = 2011900. Its totient is φ = 2006208.

The previous prime is 2009039. The next prime is 2009069. The reversal of 2009053 is 3509002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1542564 + 466489 = 1242^2 + 683^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2009053 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 2009053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009083) 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, 523 + ... + 2071.

It is an arithmetic number, because the mean of its divisors is an integer number (502975).

22009053 is an apocalyptic number.

It is an amenable number.

2009053 is a deficient number, since it is larger than the sum of its proper divisors (2847).

2009053 is a wasteful number, since it uses less digits than its factorization.

2009053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 2009053 is about 1417.4106673791. The cubic root of 2009053 is about 126.1819199655.

The spelling of 2009053 in words is "two million, nine thousand, fifty-three".

Divisors: 1 1297 1549 2009053