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14493540 = 2235241559
BaseRepresentation
bin110111010010…
…011101100100
31000021100101210
4313102131210
512202243130
61234351420
7234123135
oct67223544
930240353
1014493540
1181aa236
124a2b570
133005c79
141cd3c8c
1514145b0
hexdd2764

14493540 has 24 divisors (see below), whose sum is σ = 40582080. Its totient is φ = 3864928.

The previous prime is 14493517. The next prime is 14493547. The reversal of 14493540 is 4539441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14493498 and 14493507.

It is not an unprimeable number, because it can be changed into a prime (14493547) 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, 120720 + ... + 120839.

It is an arithmetic number, because the mean of its divisors is an integer number (1690920).

Almost surely, 214493540 is an apocalyptic number.

14493540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14493540 is an abundant number, since it is smaller than the sum of its proper divisors (26088540).

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

14493540 is a wasteful number, since it uses less digits than its factorization.

14493540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241571 (or 241569 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 14493540 is about 3807.0382188783. The cubic root of 14493540 is about 243.8137295558.

The spelling of 14493540 in words is "fourteen million, four hundred ninety-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 241559 483118 724677 966236 1207795 1449354 2415590 2898708 3623385 4831180 7246770 14493540