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2290975 = 5291639
BaseRepresentation
bin1000101111010100011111
311022101121221
420233110133
51041302400
6121034211
725321141
oct10572437
94271557
102290975
111325275
12925967
13622a0b
14438c91
15303c1a
hex22f51f

2290975 has 6 divisors (see below), whose sum is σ = 2840840. Its totient is φ = 1832760.

The previous prime is 2290973. The next prime is 2290979. The reversal of 2290975 is 5790922.

It is not a de Polignac number, because 2290975 - 21 = 2290973 is a prime.

2290975 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2290975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2290973) 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 5 ways as a sum of consecutive naturals, for example, 45795 + ... + 45844.

22290975 is an apocalyptic number.

2290975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2290975 is a deficient number, since it is larger than the sum of its proper divisors (549865).

2290975 is an equidigital number, since it uses as much as digits as its factorization.

2290975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91649 (or 91644 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 2290975 is about 1513.5967098273. The cubic root of 2290975 is about 131.8277328863.

The spelling of 2290975 in words is "two million, two hundred ninety thousand, nine hundred seventy-five".

Divisors: 1 5 25 91639 458195 2290975