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2890004 = 2213149373
BaseRepresentation
bin1011000001100100010100
312102211100012
423001210110
51214440004
6141535352
733364445
oct13014424
95384305
102890004
1116a4337
12b74558
137a2580
145532cc
153c146e
hex2c1914

2890004 has 24 divisors (see below), whose sum is σ = 5497800. Its totient is φ = 1321344.

The previous prime is 2890003. The next prime is 2890031. The reversal of 2890004 is 4000982.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 2890000 = 2^2 + 1700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7562 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (229075).

22890004 is an apocalyptic number.

It is an amenable number.

2890004 is a deficient number, since it is larger than the sum of its proper divisors (2607796).

2890004 is a wasteful number, since it uses less digits than its factorization.

2890004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 2890004 is about 1700.0011764702. The cubic root of 2890004 is about 142.4402786576.

Adding to 2890004 its reverse (4000982), we get a palindrome (6890986).

The spelling of 2890004 in words is "two million, eight hundred ninety thousand, four".

Divisors: 1 2 4 13 26 52 149 298 373 596 746 1492 1937 3874 4849 7748 9698 19396 55577 111154 222308 722501 1445002 2890004