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13248144 = 2433713337
BaseRepresentation
bin110010100010…
…011010010000
3220221002001000
4302202122100
511342420034
61151542000
7220415220
oct62423220
926832030
1013248144
117529588
12452a900
13298b150
141a8c080
15126a599
hexca2690

13248144 has 160 divisors (see below), whose sum is σ = 46941440. Its totient is φ = 3483648.

The previous prime is 13248139. The next prime is 13248181. The reversal of 13248144 is 44184231.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 39144 + ... + 39480.

It is an arithmetic number, because the mean of its divisors is an integer number (293384).

Almost surely, 213248144 is an apocalyptic number.

13248144 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 13248144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23470720).

13248144 is an abundant number, since it is smaller than the sum of its proper divisors (33693296).

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

13248144 is a wasteful number, since it uses less digits than its factorization.

13248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 362 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 13248144 is about 3639.7999945052. The cubic root of 13248144 is about 236.6201253011.

The spelling of 13248144 in words is "thirteen million, two hundred forty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 36 39 42 48 52 54 56 63 72 78 84 91 104 108 112 117 126 144 156 168 182 189 208 216 234 252 273 312 336 337 351 364 378 432 468 504 546 624 674 702 728 756 819 936 1008 1011 1092 1348 1404 1456 1512 1638 1872 2022 2184 2359 2457 2696 2808 3024 3033 3276 4044 4368 4381 4718 4914 5392 5616 6066 6552 7077 8088 8762 9099 9436 9828 12132 13104 13143 14154 16176 17524 18198 18872 19656 21231 24264 26286 28308 30667 35048 36396 37744 39312 39429 42462 48528 52572 56616 61334 63693 70096 72792 78858 84924 92001 105144 113232 118287 122668 127386 145584 157716 169848 184002 210288 236574 245336 254772 276003 315432 339696 368004 473148 490672 509544 552006 630864 736008 828009 946296 1019088 1104012 1472016 1656018 1892592 2208024 3312036 4416048 6624072 13248144