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13323744 = 253372203
BaseRepresentation
bin110010110100…
…110111100000
3221001220202000
4302310313200
511402324434
61153324000
7221151510
oct62646740
927056660
1013323744
117580365
124566600
1329b6695
141aab840
151282b99
hexcb4de0

13323744 has 96 divisors (see below), whose sum is σ = 44432640. Its totient is φ = 3805056.

The previous prime is 13323721. The next prime is 13323749. The reversal of 13323744 is 44732331.

13323744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

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 and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4947 + ... + 7149.

It is an arithmetic number, because the mean of its divisors is an integer number (462840).

Almost surely, 213323744 is an apocalyptic number.

13323744 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 13323744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22216320).

13323744 is an abundant number, since it is smaller than the sum of its proper divisors (31108896).

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

13323744 is a wasteful number, since it uses less digits than its factorization.

13323744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2215 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 13323744 is about 3650.1704069810. The cubic root of 13323744 is about 237.0693596065.

The spelling of 13323744 in words is "thirteen million, three hundred twenty-three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 84 96 108 112 126 144 168 189 216 224 252 288 336 378 432 504 672 756 864 1008 1512 2016 2203 3024 4406 6048 6609 8812 13218 15421 17624 19827 26436 30842 35248 39654 46263 52872 59481 61684 70496 79308 92526 105744 118962 123368 138789 158616 185052 211488 237924 246736 277578 317232 370104 416367 475848 493472 555156 634464 740208 832734 951696 1110312 1480416 1665468 1903392 2220624 3330936 4441248 6661872 13323744