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444304426 = 27397137229
BaseRepresentation
bin11010011110111…
…000110000101010
31010222001000002111
4122132320300222
51402220220201
6112030552534
714003345116
oct3236706052
91128030074
10444304426
11208886545
1210496874a
1371084437
1443018746
1529015b51
hex1a7b8c2a

444304426 has 32 divisors (see below), whose sum is σ = 690535440. Its totient is φ = 214327296.

The previous prime is 444304411. The next prime is 444304429. The reversal of 444304426 is 624403444.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 352125225 + 92179201 = 18765^2 + 9601^2 .

It is not an unprimeable number, because it can be changed into a prime (444304429) 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, 1940080 + ... + 1940308.

Almost surely, 2444304426 is an apocalyptic number.

444304426 is a deficient number, since it is larger than the sum of its proper divisors (246231014).

444304426 is a wasteful number, since it uses less digits than its factorization.

444304426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 36864, while the sum is 31.

The square root of 444304426 is about 21078.5299772067. The cubic root of 444304426 is about 763.0626793978.

The spelling of 444304426 in words is "four hundred forty-four million, three hundred four thousand, four hundred twenty-six".

Divisors: 1 2 73 97 137 146 194 229 274 458 7081 10001 13289 14162 16717 20002 22213 26578 31373 33434 44426 62746 970097 1621549 1940194 2290229 3043181 3243098 4580458 6086362 222152213 444304426