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1244095530 = 2351723671583
BaseRepresentation
bin100101000100111…
…0110010000101010
310012200222121020020
41022021312100222
510021442024110
6323241141310
742554431446
oct11211662052
93180877206
101244095530
11589294427
122a878a836
1316a993202
14bb32b826
157434ad70
hex4a27642a

1244095530 has 128 divisors (see below), whose sum is σ = 3350274048. Its totient is φ = 294024192.

The previous prime is 1244095529. The next prime is 1244095637. The reversal of 1244095530 is 355904421.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1244095491 and 1244095500.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 785119 + ... + 786701.

It is an arithmetic number, because the mean of its divisors is an integer number (26174016).

Almost surely, 21244095530 is an apocalyptic number.

1244095530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244095530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1675137024).

1244095530 is an abundant number, since it is smaller than the sum of its proper divisors (2106178518).

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

1244095530 is a wasteful number, since it uses less digits than its factorization.

1244095530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1244095530 is about 35271.7384034300. The cubic root of 1244095530 is about 1075.5185614246.

Adding to 1244095530 its reverse (355904421), we get a palindrome (1599999951).

The spelling of 1244095530 in words is "one billion, two hundred forty-four million, ninety-five thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 17 23 30 34 46 51 67 69 85 102 115 134 138 170 201 230 255 335 345 391 402 510 670 690 782 1005 1139 1173 1541 1583 1955 2010 2278 2346 3082 3166 3417 3910 4623 4749 5695 5865 6834 7705 7915 9246 9498 11390 11730 15410 15830 17085 23115 23745 26197 26911 34170 36409 46230 47490 52394 53822 72818 78591 80733 106061 109227 130985 134555 157182 161466 182045 212122 218454 261970 269110 318183 364090 392955 403665 530305 546135 618953 636366 785910 807330 1060610 1092270 1237906 1590915 1803037 1856859 2439403 3094765 3181830 3606074 3713718 4878806 5409111 6189530 7318209 9015185 9284295 10818222 12197015 14636418 18030370 18568590 24394030 27045555 36591045 41469851 54091110 73182090 82939702 124409553 207349255 248819106 414698510 622047765 1244095530