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14545420 = 225727271
BaseRepresentation
bin110111011111…
…001000001100
31000100222120021
4313133020030
512210423140
61235431524
7234430321
oct67371014
930328507
1014545420
11823520a
124a555a4
133023776
141d08b48
151424b4a
hexddf20c

14545420 has 12 divisors (see below), whose sum is σ = 30545424. Its totient is φ = 5818160.

The previous prime is 14545409. The next prime is 14545439. The reversal of 14545420 is 2454541.

It is a happy number.

14545420 is nontrivially palindromic in base 12.

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 3 ways as a sum of consecutive naturals, for example, 363616 + ... + 363655.

It is an arithmetic number, because the mean of its divisors is an integer number (2545452).

Almost surely, 214545420 is an apocalyptic number.

14545420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14545420 is an abundant number, since it is smaller than the sum of its proper divisors (16000004).

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

14545420 is a wasteful number, since it uses less digits than its factorization.

14545420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727280 (or 727278 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 14545420 is about 3813.8458280324. The cubic root of 14545420 is about 244.1042956445.

Adding to 14545420 its reverse (2454541), we get a palindrome (16999961).

The spelling of 14545420 in words is "fourteen million, five hundred forty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 727271 1454542 2909084 3636355 7272710 14545420