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14397805 = 57973613
BaseRepresentation
bin110110111011…
…000101101101
31000002111002001
4312323011231
512141212210
61232332301
7233244052
oct66730555
930074061
1014397805
118144314
1249a4091
132ca1516
141cab029
1513e603a
hexdbb16d

14397805 has 8 divisors (see below), whose sum is σ = 17303832. Its totient is φ = 11500608.

The previous prime is 14397791. The next prime is 14397809. The reversal of 14397805 is 50879341.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 14333796 = 253^2 + 3786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14397805 - 211 = 14395757 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 (14397809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 5791.

It is an arithmetic number, because the mean of its divisors is an integer number (2162979).

Almost surely, 214397805 is an apocalyptic number.

It is an amenable number.

14397805 is a deficient number, since it is larger than the sum of its proper divisors (2906027).

14397805 is an equidigital number, since it uses as much as digits as its factorization.

14397805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 14397805 is about 3794.4439645355. The cubic root of 14397805 is about 243.2757176824.

The spelling of 14397805 in words is "fourteen million, three hundred ninety-seven thousand, eight hundred five".

Divisors: 1 5 797 3613 3985 18065 2879561 14397805