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14280845 = 511172557
BaseRepresentation
bin110110011110…
…100010001101
3222212112122012
4312132202031
512123441340
61230031005
7232246055
oct66364215
928775565
1014280845
118074457
124948465
132c60207
141c7a565
1513c1565
hexd9e88d

14280845 has 8 divisors (see below), whose sum is σ = 17159064. Its totient is φ = 11409984.

The previous prime is 14280829. The next prime is 14280883. The reversal of 14280845 is 54808241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4 + 14280841 = 2^2 + 3779^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14280845 - 24 = 14280829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 4307 + ... + 6863.

It is an arithmetic number, because the mean of its divisors is an integer number (2144883).

Almost surely, 214280845 is an apocalyptic number.

It is an amenable number.

14280845 is a deficient number, since it is larger than the sum of its proper divisors (2878219).

14280845 is a wasteful number, since it uses less digits than its factorization.

14280845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 14280845 is about 3779.0005292405. Note that the first 3 decimals coincide. The cubic root of 14280845 is about 242.6151789270.

The spelling of 14280845 in words is "fourteen million, two hundred eighty thousand, eight hundred forty-five".

Divisors: 1 5 1117 2557 5585 12785 2856169 14280845