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2204139 = 37104959
BaseRepresentation
bin1000011010000111101011
311010222111210
420122013223
51031013024
6115124203
724510030
oct10320753
94128453
102204139
111276003
128a3663
135c2332
14415387
152d8129
hex21a1eb

2204139 has 8 divisors (see below), whose sum is σ = 3358720. Its totient is φ = 1259496.

The previous prime is 2204117. The next prime is 2204143. The reversal of 2204139 is 9314022.

2204139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2204139 - 25 = 2204107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 104959 = 2204139 / (2 + 2 + 0 + 4 + 1 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204149) 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 7 ways as a sum of consecutive naturals, for example, 52459 + ... + 52500.

It is an arithmetic number, because the mean of its divisors is an integer number (419840).

22204139 is an apocalyptic number.

2204139 is a deficient number, since it is larger than the sum of its proper divisors (1154581).

2204139 is a wasteful number, since it uses less digits than its factorization.

2204139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104969.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2204139 is about 1484.6342984048. The cubic root of 2204139 is about 130.1406564372.

The spelling of 2204139 in words is "two million, two hundred four thousand, one hundred thirty-nine".

Divisors: 1 3 7 21 104959 314877 734713 2204139