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14444540 = 2251165657
BaseRepresentation
bin110111000110…
…011111111100
31000011212011222
4313012133330
512144211130
61233332512
7233530235
oct67063774
930155158
1014444540
118176440
124a07138
132cb9886
141cc008c
151404ce5
hexdc67fc

14444540 has 24 divisors (see below), whose sum is σ = 33091632. Its totient is φ = 5252480.

The previous prime is 14444539. The next prime is 14444593. The reversal of 14444540 is 4544441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32609 + ... + 33048.

It is an arithmetic number, because the mean of its divisors is an integer number (1378818).

Almost surely, 214444540 is an apocalyptic number.

14444540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14444540 is an abundant number, since it is smaller than the sum of its proper divisors (18647092).

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

14444540 is a wasteful number, since it uses less digits than its factorization.

14444540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65677 (or 65675 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 14444540 is about 3800.5973214746. The cubic root of 14444540 is about 243.5386561670.

Adding to 14444540 its reverse (4544441), we get a palindrome (18988981).

Subtracting from 14444540 its reverse (4544441), we obtain a palindrome (9900099).

The spelling of 14444540 in words is "fourteen million, four hundred forty-four thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 65657 131314 262628 328285 656570 722227 1313140 1444454 2888908 3611135 7222270 14444540