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4219049 = 4789767
BaseRepresentation
bin10000000110000010101001
321221100110002
4100012002221
52040002144
6230232345
750601302
oct20060251
97840402
104219049
11242191a
1214b56b5
13b494a3
147bb7a9
1558514e
hex4060a9

4219049 has 4 divisors (see below), whose sum is σ = 4308864. Its totient is φ = 4129236.

The previous prime is 4219027. The next prime is 4219079. The reversal of 4219049 is 9409124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4219049 - 28 = 4218793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4219079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44837 + ... + 44930.

It is an arithmetic number, because the mean of its divisors is an integer number (1077216).

Almost surely, 24219049 is an apocalyptic number.

It is an amenable number.

4219049 is a deficient number, since it is larger than the sum of its proper divisors (89815).

4219049 is an equidigital number, since it uses as much as digits as its factorization.

4219049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89814.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4219049 is about 2054.0323755968. The cubic root of 4219049 is about 161.5864190013.

It can be divided in two parts, 42 and 19049, that added together give a palindrome (19091).

The spelling of 4219049 in words is "four million, two hundred nineteen thousand, forty-nine".

Divisors: 1 47 89767 4219049