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1244024212 = 223712896521
BaseRepresentation
bin100101000100110…
…0100110110010100
310012200211222101211
41022021210312110
510021432233322
6323235431204
742554013514
oct11211446624
93180758354
101244024212
11589245892
122a8755504
1316a969902
14bb30d844
1574334b77
hex4a264d94

1244024212 has 24 divisors (see below), whose sum is σ = 2237959080. Its totient is φ = 604638720.

The previous prime is 1244024137. The next prime is 1244024219. The reversal of 1244024212 is 2124204421.

It can be written as a sum of positive squares in 4 ways, for example, as 929884036 + 314140176 = 30494^2 + 17724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244024219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187512 + ... + 194032.

It is an arithmetic number, because the mean of its divisors is an integer number (93248295).

Almost surely, 21244024212 is an apocalyptic number.

It is an amenable number.

1244024212 is a deficient number, since it is larger than the sum of its proper divisors (993934868).

1244024212 is a wasteful number, since it uses less digits than its factorization.

1244024212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851 (or 7849 counting only the distinct ones).

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

The square root of 1244024212 is about 35270.7274095673. The cubic root of 1244024212 is about 1075.4980096002.

Adding to 1244024212 its reverse (2124204421), we get a palindrome (3368228633).

The spelling of 1244024212 in words is "one billion, two hundred forty-four million, twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 1289 2578 5156 6521 13042 26084 47693 95386 190772 241277 482554 965108 8405569 16811138 33622276 311006053 622012106 1244024212