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444212122 = 2415417221
BaseRepresentation
bin11010011110100…
…010001110011010
31010221212022110211
4122132202032122
51402204241442
6112025001334
714002512034
oct3236421632
91127768424
10444212122
11208823162
1210492324a
1371051413
1442dd2c54
1528ee8617
hex1a7a239a

444212122 has 8 divisors (see below), whose sum is σ = 682569972. Its totient is φ = 216688800.

The previous prime is 444212107. The next prime is 444212123. The reversal of 444212122 is 221212444.

It can be written as a sum of positive squares in 2 ways, for example, as 394777161 + 49434961 = 19869^2 + 7031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 444212093 and 444212102.

It is not an unprimeable number, because it can be changed into a prime (444212123) 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, 2708529 + ... + 2708692.

Almost surely, 2444212122 is an apocalyptic number.

444212122 is a deficient number, since it is larger than the sum of its proper divisors (238357850).

444212122 is a wasteful number, since it uses less digits than its factorization.

444212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417264.

The product of its digits is 1024, while the sum is 22.

The square root of 444212122 is about 21076.3403369750. The cubic root of 444212122 is about 763.0098337875.

Adding to 444212122 its reverse (221212444), we get a palindrome (665424566).

The spelling of 444212122 in words is "four hundred forty-four million, two hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 41 82 5417221 10834442 222106061 444212122