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4440319 = 131917977
BaseRepresentation
bin10000111100000011111111
322100120222021
4100330003333
52114042234
6235101011
752512352
oct20740377
98316867
104440319
112563094
1215a1767
13bc6110
14838299
155ca9b4
hex43c0ff

4440319 has 8 divisors (see below), whose sum is σ = 5033840. Its totient is φ = 3882816.

The previous prime is 4440257. The next prime is 4440323. The reversal of 4440319 is 9130444.

It is a happy number.

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 4440319 - 29 = 4439807 is a prime.

It is a super-2 number, since 2×44403192 = 39432865643522, which contains 22 as substring.

It is a Duffinian number.

4440319 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4440293 and 4440302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440379) 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, 8742 + ... + 9235.

It is an arithmetic number, because the mean of its divisors is an integer number (629230).

Almost surely, 24440319 is an apocalyptic number.

4440319 is a deficient number, since it is larger than the sum of its proper divisors (593521).

4440319 is a wasteful number, since it uses less digits than its factorization.

4440319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18009.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4440319 is about 2107.2064445611. The cubic root of 4440319 is about 164.3632514361.

The spelling of 4440319 in words is "four million, four hundred forty thousand, three hundred nineteen".

Divisors: 1 13 19 247 17977 233701 341563 4440319