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3389805 = 32575329
BaseRepresentation
bin1100111011100101101101
320101012221100
430323211231
51331433210
6200353313
740545546
oct14734555
96335840
103389805
111a058a1
121175839
13918c03
146434cd
1546e5c0
hex33b96d

3389805 has 12 divisors (see below), whose sum is σ = 5875740. Its totient is φ = 1807872.

The previous prime is 3389801. The next prime is 3389857. The reversal of 3389805 is 5089833.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 2653641 = 858^2 + 1629^2 .

It is not a de Polignac number, because 3389805 - 22 = 3389801 is a prime.

It is a super-2 number, since 2×33898052 = 22981555876050, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3389805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3389801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37620 + ... + 37709.

It is an arithmetic number, because the mean of its divisors is an integer number (489645).

Almost surely, 23389805 is an apocalyptic number.

It is an amenable number.

3389805 is a deficient number, since it is larger than the sum of its proper divisors (2485935).

3389805 is a wasteful number, since it uses less digits than its factorization.

3389805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75340 (or 75337 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 3389805 is about 1841.1423084596. The cubic root of 3389805 is about 150.2190133986.

The spelling of 3389805 in words is "three million, three hundred eighty-nine thousand, eight hundred five".

Divisors: 1 3 5 9 15 45 75329 225987 376645 677961 1129935 3389805