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2104807 = 31431579
BaseRepresentation
bin1000000001110111100111
310221221020211
420001313213
51014323212
6113040251
723614315
oct10016747
93857224
102104807
111208411
12856087
13589063
143cb0b5
152b89a7
hex201de7

2104807 has 8 divisors (see below), whose sum is σ = 2224640. Its totient is φ = 1988280.

The previous prime is 2104759. The next prime is 2104811. The reversal of 2104807 is 7084012.

2104807 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 a cyclic number.

It is not a de Polignac number, because 2104807 - 27 = 2104679 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 (2104847) 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, 544 + ... + 2122.

It is an arithmetic number, because the mean of its divisors is an integer number (278080).

22104807 is an apocalyptic number.

2104807 is a deficient number, since it is larger than the sum of its proper divisors (119833).

2104807 is a wasteful number, since it uses less digits than its factorization.

2104807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2104807 is about 1450.7952991377. The cubic root of 2104807 is about 128.1555522619.

Adding to 2104807 its reverse (7084012), we get a palindrome (9188819).

The spelling of 2104807 in words is "two million, one hundred four thousand, eight hundred seven".

Divisors: 1 31 43 1333 1579 48949 67897 2104807