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2291075 = 52113811
BaseRepresentation
bin1000101111010110000011
311022101202122
420233112003
51041303300
6121034455
725321343
oct10572603
94271678
102291075
111325356
12925a2b
13622a87
14438d23
15303c85
hex22f583

2291075 has 12 divisors (see below), whose sum is σ = 2869608. Its totient is φ = 1814400.

The previous prime is 2291063. The next prime is 2291119. The reversal of 2291075 is 5701922.

2291075 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2291075 - 212 = 2286979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 2420 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (239134).

22291075 is an apocalyptic number.

2291075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2291075 is a deficient number, since it is larger than the sum of its proper divisors (578533).

2291075 is a wasteful number, since it uses less digits than its factorization.

2291075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 2291075 is about 1513.6297433653. The cubic root of 2291075 is about 131.8296509316.

Adding to 2291075 its reverse (5701922), we get a palindrome (7992997).

The spelling of 2291075 in words is "two million, two hundred ninety-one thousand, seventy-five".

Divisors: 1 5 25 113 565 811 2825 4055 20275 91643 458215 2291075