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14547420 = 2232580819
BaseRepresentation
bin110111011111…
…100111011100
31000101002022100
4313133213130
512211004140
61235445100
7234436206
oct67374734
930332270
1014547420
118236768
124a56790
133024654
141d09776
151425530
hexddf9dc

14547420 has 36 divisors (see below), whose sum is σ = 44127720. Its totient is φ = 3879264.

The previous prime is 14547413. The next prime is 14547439. The reversal of 14547420 is 2474541.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40230 + ... + 40589.

It is an arithmetic number, because the mean of its divisors is an integer number (1225770).

Almost surely, 214547420 is an apocalyptic number.

14547420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14547420 is an abundant number, since it is smaller than the sum of its proper divisors (29580300).

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

14547420 is a wasteful number, since it uses less digits than its factorization.

14547420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80834 (or 80829 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 14547420 is about 3814.1080215432. The cubic root of 14547420 is about 244.1154832719.

The spelling of 14547420 in words is "fourteen million, five hundred forty-seven thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 80819 161638 242457 323276 404095 484914 727371 808190 969828 1212285 1454742 1616380 2424570 2909484 3636855 4849140 7273710 14547420