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2485909 = 23293727
BaseRepresentation
bin1001011110111010010101
311200022000201
421132322111
51114022114
6125140501
730062356
oct11367225
94608021
102485909
111448778
129ba731
1369066a
14489d2d
15341874
hex25ee95

2485909 has 8 divisors (see below), whose sum is σ = 2684160. Its totient is φ = 2295216.

The previous prime is 2485907. The next prime is 2485937. The reversal of 2485909 is 9095842.

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

It is not a de Polignac number, because 2485909 - 21 = 2485907 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2485907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197 + ... + 2530.

It is an arithmetic number, because the mean of its divisors is an integer number (335520).

22485909 is an apocalyptic number.

2485909 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2485909 is a deficient number, since it is larger than the sum of its proper divisors (198251).

2485909 is a wasteful number, since it uses less digits than its factorization.

2485909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 2485909 is about 1576.6765679745. The cubic root of 2485909 is about 135.4654078533.

The spelling of 2485909 in words is "two million, four hundred eighty-five thousand, nine hundred nine".

Divisors: 1 23 29 667 3727 85721 108083 2485909