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2989459 = 11271769
BaseRepresentation
bin1011011001110110010011
312121212202201
423121312103
51231130314
6144024031
734260424
oct13316623
95555681
102989459
111762030
121002017
13808915
1457b64b
153e0b74
hex2d9d93

2989459 has 4 divisors (see below), whose sum is σ = 3261240. Its totient is φ = 2717680.

The previous prime is 2989451. The next prime is 2989487. The reversal of 2989459 is 9549892.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2989459 - 23 = 2989451 is a prime.

It is a super-2 number, since 2×29894592 = 17873730225362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2989451) 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 3 ways as a sum of consecutive naturals, for example, 135874 + ... + 135895.

It is an arithmetic number, because the mean of its divisors is an integer number (815310).

22989459 is an apocalyptic number.

2989459 is a deficient number, since it is larger than the sum of its proper divisors (271781).

2989459 is a wasteful number, since it uses less digits than its factorization.

2989459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271780.

The product of its digits is 233280, while the sum is 46.

The square root of 2989459 is about 1729.0052053132. The cubic root of 2989459 is about 144.0558393267.

The spelling of 2989459 in words is "two million, nine hundred eighty-nine thousand, four hundred fifty-nine".

Divisors: 1 11 271769 2989459