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3120204 = 223260017
BaseRepresentation
bin1011111001110001001100
312212112010010
423321301030
51244321304
6150513220
735343543
oct13716114
95775103
103120204
11184128a
121065810
13853299
145b315a
15419789
hex2f9c4c

3120204 has 12 divisors (see below), whose sum is σ = 7280504. Its totient is φ = 1040064.

The previous prime is 3120137. The next prime is 3120217. The reversal of 3120204 is 4020213.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 260017 = 3120204 / (3 + 1 + 2 + 0 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 3120204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129997 + ... + 130020.

Almost surely, 23120204 is an apocalyptic number.

It is an amenable number.

3120204 is an abundant number, since it is smaller than the sum of its proper divisors (4160300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3120204 is a wasteful number, since it uses less digits than its factorization.

3120204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260024 (or 260022 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3120204 is about 1766.4099184504. The cubic root of 3120204 is about 146.1260561411.

Adding to 3120204 its reverse (4020213), we get a palindrome (7140417).

Subtracting 3120204 from its reverse (4020213), we obtain a palindrome (900009).

The spelling of 3120204 in words is "three million, one hundred twenty thousand, two hundred four".

Divisors: 1 2 3 4 6 12 260017 520034 780051 1040068 1560102 3120204