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14345420 = 225717271
BaseRepresentation
bin110110101110…
…010011001100
3222222211012212
4312232103030
512133023140
61231245552
7232635245
oct66562314
928884185
1014345420
118108a21
1249798b8
132c8371b
141c95ccc
1513d5765
hexdae4cc

14345420 has 12 divisors (see below), whose sum is σ = 30125424. Its totient is φ = 5738160.

The previous prime is 14345413. The next prime is 14345423. The reversal of 14345420 is 2454341.

It is not an unprimeable number, because it can be changed into a prime (14345423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 358616 + ... + 358655.

It is an arithmetic number, because the mean of its divisors is an integer number (2510452).

Almost surely, 214345420 is an apocalyptic number.

14345420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14345420 is an abundant number, since it is smaller than the sum of its proper divisors (15780004).

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

14345420 is a wasteful number, since it uses less digits than its factorization.

14345420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717280 (or 717278 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 14345420 is about 3787.5348183218. The cubic root of 14345420 is about 242.9803141882.

Adding to 14345420 its reverse (2454341), we get a palindrome (16799761).

The spelling of 14345420 in words is "fourteen million, three hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 717271 1434542 2869084 3586355 7172710 14345420