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444253310 = 25317140143
BaseRepresentation
bin11010011110101…
…100010001111110
31010221221101222022
4122132230101332
51402212101220
6112025520142
714003043104
oct3236542176
91127841868
10444253310
112088510a6
12104943052
13710670a7
1443003c74
1529005925
hex1a7ac47e

444253310 has 16 divisors (see below), whose sum is σ = 802184256. Its totient is φ = 177139488.

The previous prime is 444253309. The next prime is 444253331. The reversal of 444253310 is 13352444.

It is a super-2 number, since 2×4442533102 = 394722006891912200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444253310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66902 + ... + 73241.

It is an arithmetic number, because the mean of its divisors is an integer number (50136516).

Almost surely, 2444253310 is an apocalyptic number.

444253310 is a deficient number, since it is larger than the sum of its proper divisors (357930946).

444253310 is a wasteful number, since it uses less digits than its factorization.

444253310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140467.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 444253310 is about 21077.3174289329. The cubic root of 444253310 is about 763.0334155226.

The spelling of 444253310 in words is "four hundred forty-four million, two hundred fifty-three thousand, three hundred ten".

Divisors: 1 2 5 10 317 634 1585 3170 140143 280286 700715 1401430 44425331 88850662 222126655 444253310