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13748444 = 2217202183
BaseRepresentation
bin110100011100…
…100011011100
3221212111022122
4310130203130
512004422234
61210402112
7224600633
oct64344334
927774278
1013748444
117840456
124730338
132b04a98
141b7c51a
15131892e
hexd1c8dc

13748444 has 12 divisors (see below), whose sum is σ = 25475184. Its totient is φ = 6469824.

The previous prime is 13748443. The next prime is 13748447. The reversal of 13748444 is 44484731.

13748444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×137484442 = 378039424842272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13748443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101024 + ... + 101159.

It is an arithmetic number, because the mean of its divisors is an integer number (2122932).

Almost surely, 213748444 is an apocalyptic number.

It is an amenable number.

13748444 is a deficient number, since it is larger than the sum of its proper divisors (11726740).

13748444 is a wasteful number, since it uses less digits than its factorization.

13748444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202204 (or 202202 counting only the distinct ones).

The product of its digits is 43008, while the sum is 35.

The square root of 13748444 is about 3707.8894266146. The cubic root of 13748444 is about 239.5619556040.

The spelling of 13748444 in words is "thirteen million, seven hundred forty-eight thousand, four hundred forty-four".

Divisors: 1 2 4 17 34 68 202183 404366 808732 3437111 6874222 13748444