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13244550 = 23521123349
BaseRepresentation
bin110010100001…
…100010000110
3220220220002220
4302201202012
511342311200
61151513210
7220401564
oct62414206
926826086
1013244550
117526910
124528806
132989617
141a8aa34
1512694a0
hexca1886

13244550 has 96 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 3062400.

The previous prime is 13244549. The next prime is 13244551. The reversal of 13244550 is 5544231.

13244550 = T34 + T35 + ... + T429.

It is an interprime number because it is at equal distance from previous prime (13244549) and next prime (13244551).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13244550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37776 + ... + 38124.

It is an arithmetic number, because the mean of its divisors is an integer number (390600).

Almost surely, 213244550 is an apocalyptic number.

13244550 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 13244550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18748800).

13244550 is an abundant number, since it is smaller than the sum of its proper divisors (24253050).

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

13244550 is a wasteful number, since it uses less digits than its factorization.

13244550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 13244550 is about 3639.3062525707. The cubic root of 13244550 is about 236.5987263378.

Adding to 13244550 its reverse (5544231), we get a palindrome (18788781).

The spelling of 13244550 in words is "thirteen million, two hundred forty-four thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 23 25 30 33 46 50 55 66 69 75 110 115 138 150 165 230 253 275 330 345 349 506 550 575 690 698 759 825 1047 1150 1265 1518 1650 1725 1745 2094 2530 3450 3490 3795 3839 5235 6325 7590 7678 8027 8725 10470 11517 12650 16054 17450 18975 19195 23034 24081 26175 37950 38390 40135 48162 52350 57585 80270 88297 95975 115170 120405 176594 191950 200675 240810 264891 287925 401350 441485 529782 575850 602025 882970 1204050 1324455 2207425 2648910 4414850 6622275 13244550