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2804137 = 72317417
BaseRepresentation
bin1010101100100110101001
312021110112221
422230212221
51204213022
6140034041
732556220
oct12544651
95243487
102804137
111645876
12b32921
1377246b
1452dcb7
153a5cc7
hex2ac9a9

2804137 has 8 divisors (see below), whose sum is σ = 3344256. Its totient is φ = 2298912.

The previous prime is 2804129. The next prime is 2804141. The reversal of 2804137 is 7314082.

2804137 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 2804137 - 23 = 2804129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2804117) 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, 8548 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (418032).

22804137 is an apocalyptic number.

It is an amenable number.

2804137 is a deficient number, since it is larger than the sum of its proper divisors (540119).

2804137 is a wasteful number, since it uses less digits than its factorization.

2804137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2804137 is about 1674.5557619858. Note that the first 3 decimals coincide. The cubic root of 2804137 is about 141.0153563745.

The spelling of 2804137 in words is "two million, eight hundred four thousand, one hundred thirty-seven".

Divisors: 1 7 23 161 17417 121919 400591 2804137