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4444813 = 7162603
BaseRepresentation
bin10000111101001010001101
322100211010201
4100331022031
52114213223
6235133501
752531432
oct20751215
98324121
104444813
1125664aa
1215a4291
13bc8189
14839b89
155cbead
hex43d28d

4444813 has 4 divisors (see below), whose sum is σ = 4507488. Its totient is φ = 4382140.

The previous prime is 4444807. The next prime is 4444823. The reversal of 4444813 is 3184444.

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 a de Polignac number, because none of the positive numbers 2k-4444813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31231 + ... + 31372.

It is an arithmetic number, because the mean of its divisors is an integer number (1126872).

Almost surely, 24444813 is an apocalyptic number.

It is an amenable number.

4444813 is a deficient number, since it is larger than the sum of its proper divisors (62675).

4444813 is an equidigital number, since it uses as much as digits as its factorization.

4444813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62674.

The product of its digits is 6144, while the sum is 28.

The square root of 4444813 is about 2108.2725155919. The cubic root of 4444813 is about 164.4186828439.

The spelling of 4444813 in words is "four million, four hundred forty-four thousand, eight hundred thirteen".

Divisors: 1 71 62603 4444813