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13444774 = 27960341
BaseRepresentation
bin110011010010…
…011010100110
3221022001202121
4303102122212
511420213044
61200100154
7222164410
oct63223246
927261677
1013444774
117653292
12460465a
132a297b5
141add9b0
1512a8984
hexcd26a6

13444774 has 8 divisors (see below), whose sum is σ = 23048208. Its totient is φ = 5762040.

The previous prime is 13444763. The next prime is 13444829. The reversal of 13444774 is 47744431.

13444774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×134447742 = 361523895822152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480157 + ... + 480184.

It is an arithmetic number, because the mean of its divisors is an integer number (2881026).

Almost surely, 213444774 is an apocalyptic number.

13444774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13444774 is a deficient number, since it is larger than the sum of its proper divisors (9603434).

13444774 is an equidigital number, since it uses as much as digits as its factorization.

13444774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960350.

The product of its digits is 37632, while the sum is 34.

The square root of 13444774 is about 3666.7116057852. The cubic root of 13444774 is about 237.7850258528.

The spelling of 13444774 in words is "thirteen million, four hundred forty-four thousand, seven hundred seventy-four".

Divisors: 1 2 7 14 960341 1920682 6722387 13444774