Search a number
-
+
4442423 = 17299011
BaseRepresentation
bin10000111100100100110111
322100200212012
4100330210313
52114124143
6235114435
752521446
oct20744467
98320765
104442423
112564727
1215a2a1b
13bc706b
14838d5d
155cb418
hex43c937

4442423 has 8 divisors (see below), whose sum is σ = 4866480. Its totient is φ = 4036480.

The previous prime is 4442413. The next prime is 4442429. The reversal of 4442423 is 3242444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4442423 - 210 = 4441399 is a prime.

It is a super-2 number, since 2×44424232 = 39470244221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4013 + ... + 4998.

It is an arithmetic number, because the mean of its divisors is an integer number (608310).

Almost surely, 24442423 is an apocalyptic number.

4442423 is a deficient number, since it is larger than the sum of its proper divisors (424057).

4442423 is a wasteful number, since it uses less digits than its factorization.

4442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057.

The product of its digits is 3072, while the sum is 23.

The square root of 4442423 is about 2107.7056246070. The cubic root of 4442423 is about 164.3892079552.

Adding to 4442423 its reverse (3242444), we get a palindrome (7684867).

The spelling of 4442423 in words is "four million, four hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 17 29 493 9011 153187 261319 4442423