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14403780 = 2232580021
BaseRepresentation
bin110110111100…
…100011000100
31000002210021100
4312330203010
512141410110
61232420100
7233300346
oct66744304
930083240
1014403780
118148856
1249a7630
132ca4161
141cad296
1513e7bc0
hexdbc8c4

14403780 has 36 divisors (see below), whose sum is σ = 43692012. Its totient is φ = 3840960.

The previous prime is 14403733. The next prime is 14403791. The reversal of 14403780 is 8730441.

14403780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2125764 + 12278016 = 1458^2 + 3504^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39831 + ... + 40190.

It is an arithmetic number, because the mean of its divisors is an integer number (1213667).

Almost surely, 214403780 is an apocalyptic number.

14403780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14403780 is an abundant number, since it is smaller than the sum of its proper divisors (29288232).

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

14403780 is a wasteful number, since it uses less digits than its factorization.

14403780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80036 (or 80031 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14403780 is about 3795.2312182527. The cubic root of 14403780 is about 243.3093656675.

The spelling of 14403780 in words is "fourteen million, four hundred three thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 80021 160042 240063 320084 400105 480126 720189 800210 960252 1200315 1440378 1600420 2400630 2880756 3600945 4801260 7201890 14403780