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14455540 = 2251165707
BaseRepresentation
bin110111001001…
…001011110100
31000012102021101
4313021023310
512200034130
61233455444
7233604301
oct67111364
930172241
1014455540
118183730
124a11584
132cc1898
141cc40a8
1514081ca
hexdc92f4

14455540 has 24 divisors (see below), whose sum is σ = 33116832. Its totient is φ = 5256480.

The previous prime is 14455537. The next prime is 14455541. The reversal of 14455540 is 4555441.

It is a junction number, because it is equal to n+sod(n) for n = 14455499 and 14455508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14455541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32634 + ... + 33073.

It is an arithmetic number, because the mean of its divisors is an integer number (1379868).

Almost surely, 214455540 is an apocalyptic number.

14455540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14455540 is an abundant number, since it is smaller than the sum of its proper divisors (18661292).

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

14455540 is a wasteful number, since it uses less digits than its factorization.

14455540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65727 (or 65725 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 14455540 is about 3802.0441870131. The cubic root of 14455540 is about 243.6004614230.

Subtracting from 14455540 its reverse (4555441), we obtain a palindrome (9900099).

It can be divided in two parts, 14 and 455540, that added together give a palindrome (455554).

The spelling of 14455540 in words is "fourteen million, four hundred fifty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 65707 131414 262828 328535 657070 722777 1314140 1445554 2891108 3613885 7227770 14455540