Search a number
-
+
13744458 = 2337132797
BaseRepresentation
bin110100011011…
…100101001010
3221212021212000
4310123211022
512004310313
61210331430
7224553210
oct64334512
927767760
1013744458
117838462
124729b76
132b03020
141b7acb0
151317673
hexd1b94a

13744458 has 64 divisors (see below), whose sum is σ = 37605120. Its totient is φ = 3623616.

The previous prime is 13744453. The next prime is 13744487. The reversal of 13744458 is 85444731.

13744458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13744453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3516 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (587580).

Almost surely, 213744458 is an apocalyptic number.

13744458 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13744458, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18802560).

13744458 is an abundant number, since it is smaller than the sum of its proper divisors (23860662).

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

13744458 is a wasteful number, since it uses less digits than its factorization.

13744458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2822 counting only the distinct ones).

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

The square root of 13744458 is about 3707.3518851061. The cubic root of 13744458 is about 239.5388018020.

It can be divided in two parts, 1374 and 4458, that added together give a cube (5832 = 183).

The spelling of 13744458 in words is "thirteen million, seven hundred forty-four thousand, four hundred fifty-eight".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 27 39 42 54 63 78 91 117 126 182 189 234 273 351 378 546 702 819 1638 2457 2797 4914 5594 8391 16782 19579 25173 36361 39158 50346 58737 72722 75519 109083 117474 151038 176211 218166 254527 327249 352422 509054 528633 654498 763581 981747 1057266 1527162 1963494 2290743 4581486 6872229 13744458