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4440149 = 7634307
BaseRepresentation
bin10000111100000001010101
322100120201222
4100330001111
52114041044
6235100125
752512020
oct20740125
98316658
104440149
112562a4a
1215a1645
13bc600c
148381b7
155ca8ee
hex43c055

4440149 has 4 divisors (see below), whose sum is σ = 5074464. Its totient is φ = 3805836.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440149 is 9410444.

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 4440149 - 24 = 4440133 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 (4440169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317147 + ... + 317160.

It is an arithmetic number, because the mean of its divisors is an integer number (1268616).

Almost surely, 24440149 is an apocalyptic number.

It is an amenable number.

4440149 is a deficient number, since it is larger than the sum of its proper divisors (634315).

4440149 is an equidigital number, since it uses as much as digits as its factorization.

4440149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634314.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4440149 is about 2107.1661064093. The cubic root of 4440149 is about 164.3611538309.

The spelling of 4440149 in words is "four million, four hundred forty thousand, one hundred forty-nine".

Divisors: 1 7 634307 4440149