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13485744 = 2433193153
BaseRepresentation
bin110011011100…
…011010110000
3221101010222000
4303130122300
511423020434
61201014000
7222425016
oct63343260
927333860
1013485744
117681048
124624300
132a4233c
141b108b6
1512b5b99
hexcdc6b0

13485744 has 160 divisors (see below), whose sum is σ = 42854400. Its totient is φ = 4043520.

The previous prime is 13485739. The next prime is 13485781. The reversal of 13485744 is 44758431.

13485744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (53760) is a multiple of the sum of its prime factors (120).

It is a junction number, because it is equal to n+sod(n) for n = 13485699 and 13485708.

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, 254422 + ... + 254474.

It is an arithmetic number, because the mean of its divisors is an integer number (267840).

Almost surely, 213485744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13485744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21427200).

13485744 is an abundant number, since it is smaller than the sum of its proper divisors (29368656).

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

13485744 is a wasteful number, since it uses less digits than its factorization.

13485744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 108 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 13485744 is about 3672.2941058690. The cubic root of 13485744 is about 238.0263134996.

The spelling of 13485744 in words is "thirteen million, four hundred eighty-five thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 31 36 38 48 53 54 57 62 72 76 93 106 108 114 124 144 152 159 171 186 212 216 228 248 279 304 318 342 372 424 432 456 477 496 513 558 589 636 684 744 837 848 912 954 1007 1026 1116 1178 1272 1368 1431 1488 1643 1674 1767 1908 2014 2052 2232 2356 2544 2736 2862 3021 3286 3348 3534 3816 4028 4104 4464 4712 4929 5301 5724 6042 6572 6696 7068 7632 8056 8208 9063 9424 9858 10602 11448 12084 13144 13392 14136 14787 15903 16112 18126 19716 21204 22896 24168 26288 27189 28272 29574 31217 31806 36252 39432 42408 44361 48336 54378 59148 62434 63612 72504 78864 84816 88722 93651 108756 118296 124868 127224 145008 177444 187302 217512 236592 249736 254448 280953 354888 374604 435024 499472 561906 709776 749208 842859 1123812 1498416 1685718 2247624 3371436 4495248 6742872 13485744