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1244011244 = 2271719672053
BaseRepresentation
bin100101000100110…
…0001101011101100
310012200211022121112
41022021201223230
510021431324434
6323235251152
742553630640
oct11211415354
93180738545
101244011244
11589237073
122a8749ab8
1316a963a38
14bb308c20
1574330dce
hex4a261aec

1244011244 has 96 divisors (see below), whose sum is σ = 2815787520. Its totient is φ = 468052992.

The previous prime is 1244011229. The next prime is 1244011253. The reversal of 1244011244 is 4421104421.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 604922 + ... + 606974.

It is an arithmetic number, because the mean of its divisors is an integer number (29331120).

Almost surely, 21244011244 is an apocalyptic number.

1244011244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244011244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407893760).

1244011244 is an abundant number, since it is smaller than the sum of its proper divisors (1571776276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244011244 is a wasteful number, since it uses less digits than its factorization.

1244011244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1244011244 is about 35270.5435739230. The cubic root of 1244011244 is about 1075.4942725061.

Adding to 1244011244 its reverse (4421104421), we get a palindrome (5665115665).

The spelling of 1244011244 in words is "one billion, two hundred forty-four million, eleven thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 17 19 28 34 38 67 68 76 119 133 134 238 266 268 323 469 476 532 646 938 1139 1273 1292 1876 2053 2261 2278 2546 4106 4522 4556 5092 7973 8212 8911 9044 14371 15946 17822 21641 28742 31892 34901 35644 39007 43282 57484 69802 78014 86564 137551 139604 151487 156028 244307 273049 275102 302974 488614 546098 550204 605948 663119 962857 977228 1092196 1326238 1925714 2338367 2613469 2652476 3851428 4641833 4676734 5226938 9283666 9353468 10453876 16368569 18294283 18567332 32737138 36588566 44428973 65474276 73177132 88857946 177715892 311002811 622005622 1244011244