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2530219 = 6141479
BaseRepresentation
bin1001101001101110101011
311202112210211
421221232223
51121431334
6130121551
730335506
oct11515653
94675724
102530219
111478a9a
12a202b7
136a7893
1449c13d
1534ea64
hex269bab

2530219 has 4 divisors (see below), whose sum is σ = 2571760. Its totient is φ = 2488680.

The previous prime is 2530201. The next prime is 2530223. The reversal of 2530219 is 9120352.

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 2530219 - 27 = 2530091 is a prime.

It is a super-2 number, since 2×25302192 = 12804016375922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2530219.

It is not an unprimeable number, because it can be changed into a prime (2530289) 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, 20679 + ... + 20800.

It is an arithmetic number, because the mean of its divisors is an integer number (642940).

22530219 is an apocalyptic number.

2530219 is a deficient number, since it is larger than the sum of its proper divisors (41541).

2530219 is an equidigital number, since it uses as much as digits as its factorization.

2530219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41540.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2530219 is about 1590.6662126292. Note that the first 3 decimals coincide. The cubic root of 2530219 is about 136.2655387266.

The spelling of 2530219 in words is "two million, five hundred thirty thousand, two hundred nineteen".

Divisors: 1 61 41479 2530219