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14405380 = 2251165479
BaseRepresentation
bin110110111100…
…111100000100
31000002212110121
4312330330010
512141433010
61232431324
7233305123
oct66747404
930085417
1014405380
118149a80
1249a8544
132ca4ac2
141cadaba
1513e83da
hexdbcf04

14405380 has 24 divisors (see below), whose sum is σ = 33001920. Its totient is φ = 5238240.

The previous prime is 14405371. The next prime is 14405393. The reversal of 14405380 is 8350441.

14405380 is nontrivially palindromic in base 13.

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, 32520 + ... + 32959.

It is an arithmetic number, because the mean of its divisors is an integer number (1375080).

Almost surely, 214405380 is an apocalyptic number.

14405380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14405380 is an abundant number, since it is smaller than the sum of its proper divisors (18596540).

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

14405380 is a wasteful number, since it uses less digits than its factorization.

14405380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65499 (or 65497 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 14405380 is about 3795.4420032455. The cubic root of 14405380 is about 243.3183744271.

The spelling of 14405380 in words is "fourteen million, four hundred five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 65479 130958 261916 327395 654790 720269 1309580 1440538 2881076 3601345 7202690 14405380