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2012804 = 221373673
BaseRepresentation
bin111101011011010000100
310210021001022
413223122010
51003402204
6111050312
723052143
oct7533204
93707038
102012804
111155282
12810998
13556211
143a575a
1529b5be
hex1eb684

2012804 has 12 divisors (see below), whose sum is σ = 3549084. Its totient is φ = 998784.

The previous prime is 2012789. The next prime is 2012807. The reversal of 2012804 is 4082102.

It can be written as a sum of positive squares in 2 ways, for example, as 577600 + 1435204 = 760^2 + 1198^2 .

It is not an unprimeable number, because it can be changed into a prime (2012807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289 + ... + 2384.

It is an arithmetic number, because the mean of its divisors is an integer number (295757).

22012804 is an apocalyptic number.

It is an amenable number.

2012804 is a deficient number, since it is larger than the sum of its proper divisors (1536280).

2012804 is a wasteful number, since it uses less digits than its factorization.

2012804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2012804 is about 1418.7332377864. The cubic root of 2012804 is about 126.2604004110.

Adding to 2012804 its reverse (4082102), we get a palindrome (6094906).

The spelling of 2012804 in words is "two million, twelve thousand, eight hundred four".

Divisors: 1 2 4 137 274 548 3673 7346 14692 503201 1006402 2012804