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14807965 = 52961593
BaseRepresentation
bin111000011111…
…001110011101
31000212022201011
4320133032131
512242323330
61245215221
7236602624
oct70371635
930768634
1014807965
1183a4497
124b61511
1330b6113
141d766bb
15147782a
hexe1f39d

14807965 has 4 divisors (see below), whose sum is σ = 17769564. Its totient is φ = 11846368.

The previous prime is 14807963. The next prime is 14807981. The reversal of 14807965 is 56970841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56970841 = 461123581.

It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 7112889 = 2774^2 + 2667^2 .

It is a cyclic number.

It is not a de Polignac number, because 14807965 - 21 = 14807963 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14807963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1480792 + ... + 1480801.

It is an arithmetic number, because the mean of its divisors is an integer number (4442391).

Almost surely, 214807965 is an apocalyptic number.

It is an amenable number.

14807965 is a deficient number, since it is larger than the sum of its proper divisors (2961599).

14807965 is an equidigital number, since it uses as much as digits as its factorization.

14807965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961598.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 14807965 is about 3848.1118746731. Note that the first 3 decimals coincide. The cubic root of 14807965 is about 245.5642416737.

The spelling of 14807965 in words is "fourteen million, eight hundred seven thousand, nine hundred sixty-five".

Divisors: 1 5 2961593 14807965