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14309420 = 225898039
BaseRepresentation
bin110110100101…
…100000101100
3222220222211112
4312211200230
512130400140
61230411152
7232425266
oct66454054
928828745
1014309420
118093974
124960ab8
132c70218
141c86b36
1513c9c65
hexda582c

14309420 has 24 divisors (see below), whose sum is σ = 30391200. Its totient is φ = 5658752.

The previous prime is 14309419. The next prime is 14309429. The reversal of 14309420 is 2490341.

It is not an unprimeable number, because it can be changed into a prime (14309429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (1266300).

Almost surely, 214309420 is an apocalyptic number.

14309420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14309420 is an abundant number, since it is smaller than the sum of its proper divisors (16081780).

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

14309420 is a wasteful number, since it uses less digits than its factorization.

14309420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137 (or 8135 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 14309420 is about 3782.7794014455. The cubic root of 14309420 is about 242.7768899438.

Adding to 14309420 its reverse (2490341), we get a palindrome (16799761).

The spelling of 14309420 in words is "fourteen million, three hundred nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 356 445 890 1780 8039 16078 32156 40195 80390 160780 715471 1430942 2861884 3577355 7154710 14309420