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440444241 = 32227215587
BaseRepresentation
bin11010010000001…
…010010101010001
31010200202212220200
4122100022111101
51400223203431
6111412125413
713625466666
oct3220122521
91120685820
10440444241
1120668a306
12103606869
13703323c3
14426d1a6d
1528a01ee6
hex1a40a551

440444241 has 12 divisors (see below), whose sum is σ = 639002832. Its totient is φ = 292334616.

The previous prime is 440444239. The next prime is 440444243. The reversal of 440444241 is 142444044.

It is an interprime number because it is at equal distance from previous prime (440444239) and next prime (440444243).

It is not a de Polignac number, because 440444241 - 21 = 440444239 is a prime.

It is a super-2 number, since 2×4404442412 = 387982258860132162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440444243) 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 11 ways as a sum of consecutive naturals, for example, 105751 + ... + 109836.

It is an arithmetic number, because the mean of its divisors is an integer number (53250236).

Almost surely, 2440444241 is an apocalyptic number.

It is an amenable number.

440444241 is a deficient number, since it is larger than the sum of its proper divisors (198558591).

440444241 is a wasteful number, since it uses less digits than its factorization.

440444241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215820 (or 215817 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 440444241 is about 20986.7634712930. The cubic root of 440444241 is about 760.8463799026.

Adding to 440444241 its reverse (142444044), we get a palindrome (582888285).

The spelling of 440444241 in words is "four hundred forty million, four hundred forty-four thousand, two hundred forty-one".

Divisors: 1 3 9 227 681 2043 215587 646761 1940283 48938249 146814747 440444241