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444321042 = 231119354323
BaseRepresentation
bin11010011110111…
…100110100010010
31010222001211212220
4122132330310102
51402221233132
6112031201510
714003444424
oct3236746422
91128054786
10444321042
11208897a80
12104976296
137108bb79
1443020814
152901aa2c
hex1a7bcd12

444321042 has 32 divisors (see below), whose sum is σ = 1020453120. Its totient is φ = 127555920.

The previous prime is 444321041. The next prime is 444321067. The reversal of 444321042 is 240123444.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (444321041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175908 + ... + 178415.

It is an arithmetic number, because the mean of its divisors is an integer number (31889160).

Almost surely, 2444321042 is an apocalyptic number.

444321042 is an abundant number, since it is smaller than the sum of its proper divisors (576132078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444321042 is a wasteful number, since it uses less digits than its factorization.

444321042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354358.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 444321042 is about 21078.9241186546. The cubic root of 444321042 is about 763.0721915631.

Adding to 444321042 its reverse (240123444), we get a palindrome (684444486).

The spelling of 444321042 in words is "four hundred forty-four million, three hundred twenty-one thousand, forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 418 627 1254 354323 708646 1062969 2125938 3897553 6732137 7795106 11692659 13464274 20196411 23385318 40392822 74053507 148107014 222160521 444321042