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2390969 = 7734679
BaseRepresentation
bin1001000111101110111001
311111110210102
421013232321
51103002334
6123125145
726215520
oct11075671
94443712
102390969
111393409
129737b5
13659399
144634b7
1532367e
hex247bb9

2390969 has 8 divisors (see below), whose sum is σ = 2770560. Its totient is φ = 2020896.

The previous prime is 2390957. The next prime is 2390987. The reversal of 2390969 is 9690932.

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 2390969 - 212 = 2386873 is a prime.

It is a super-2 number, since 2×23909692 = 11433465517922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2390909) 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, 1829 + ... + 2850.

It is an arithmetic number, because the mean of its divisors is an integer number (346320).

22390969 is an apocalyptic number.

It is an amenable number.

2390969 is a deficient number, since it is larger than the sum of its proper divisors (379591).

2390969 is an equidigital number, since it uses as much as digits as its factorization.

2390969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4759.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2390969 is about 1546.2758486118. The cubic root of 2390969 is about 133.7184442399.

The spelling of 2390969 in words is "two million, three hundred ninety thousand, nine hundred sixty-nine".

Divisors: 1 7 73 511 4679 32753 341567 2390969