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14680205 = 531531787
BaseRepresentation
bin111000000000…
…000010001101
31000121211110022
4320000002031
512224231310
61242351525
7235531301
oct70000215
930554408
1014680205
118317501
124abb5a5
13306cc17
141d41d01
15144ea55
hexe0008d

14680205 has 16 divisors (see below), whose sum is σ = 18537984. Its totient is φ = 11144640.

The previous prime is 14680201. The next prime is 14680219. The reversal of 14680205 is 50208641.

It is not a de Polignac number, because 14680205 - 22 = 14680201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14680201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7322 + ... + 9108.

It is an arithmetic number, because the mean of its divisors is an integer number (1158624).

Almost surely, 214680205 is an apocalyptic number.

It is an amenable number.

14680205 is a deficient number, since it is larger than the sum of its proper divisors (3857779).

14680205 is a wasteful number, since it uses less digits than its factorization.

14680205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 14680205 is about 3831.4755643224. The cubic root of 14680205 is about 244.8559753259.

Adding to 14680205 its reverse (50208641), we get a palindrome (64888846).

The spelling of 14680205 in words is "fourteen million, six hundred eighty thousand, two hundred five".

Divisors: 1 5 31 53 155 265 1643 1787 8215 8935 55397 94711 276985 473555 2936041 14680205