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1244283260 = 22511431031277
BaseRepresentation
bin100101000101010…
…0100000101111100
310012201100010202012
41022022210011330
510022014031020
6323245150352
742556142663
oct11212440574
93181303665
101244283260
11589402480
122a885b3b8
1316aa2a7ac
14bb379dda
15743867c5
hex4a2a417c

1244283260 has 96 divisors (see below), whose sum is σ = 2947456512. Its totient is φ = 437310720.

The previous prime is 1244283167. The next prime is 1244283263. The reversal of 1244283260 is 623824421.

It is a super-2 number, since 2×12442832602 = 3096481662232455200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244283263) 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 31 ways as a sum of consecutive naturals, for example, 973742 + ... + 975018.

It is an arithmetic number, because the mean of its divisors is an integer number (30702672).

Almost surely, 21244283260 is an apocalyptic number.

1244283260 is a gapful number since it is divisible by the number (10) 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 1244283260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473728256).

1244283260 is an abundant number, since it is smaller than the sum of its proper divisors (1703173252).

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

1244283260 is a wasteful number, since it uses less digits than its factorization.

1244283260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1244283260 is about 35274.3994987867. The cubic root of 1244283260 is about 1075.5726561303.

The spelling of 1244283260 in words is "one billion, two hundred forty-four million, two hundred eighty-three thousand, two hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 43 44 55 86 103 110 172 206 215 220 412 430 473 515 860 946 1030 1133 1277 1892 2060 2266 2365 2554 4429 4532 4730 5108 5665 6385 8858 9460 11330 12770 14047 17716 22145 22660 25540 28094 44290 48719 54911 56188 70235 88580 97438 109822 131531 140470 194876 219644 243595 263062 274555 280940 487190 526124 549110 604021 657655 974380 1098220 1208042 1315310 1446841 2416084 2630620 2893682 3020105 5655833 5787364 6040210 7234205 11311666 12080420 14468410 22623332 28279165 28936820 56558330 62214163 113116660 124428326 248856652 311070815 622141630 1244283260