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14243953 = 14995597
BaseRepresentation
bin110110010101…
…100001110001
3222210200000211
4312111201301
512121301303
61225144121
7232033363
oct66254161
928720024
1014243953
118049769
12492b041
132c49499
141c6ad33
1513b566d
hexd95871

14243953 has 4 divisors (see below), whose sum is σ = 14339700. Its totient is φ = 14148208.

The previous prime is 14243951. The next prime is 14243993. The reversal of 14243953 is 35934241.

14243953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35934241 = 75133463.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 13630864 = 783^2 + 3692^2 .

It is a cyclic number.

It is not a de Polignac number, because 14243953 - 21 = 14243951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14243951) 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, 47650 + ... + 47947.

It is an arithmetic number, because the mean of its divisors is an integer number (3584925).

Almost surely, 214243953 is an apocalyptic number.

It is an amenable number.

14243953 is a deficient number, since it is larger than the sum of its proper divisors (95747).

14243953 is an equidigital number, since it uses as much as digits as its factorization.

14243953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95746.

The product of its digits is 12960, while the sum is 31.

The square root of 14243953 is about 3774.1161879306. The cubic root of 14243953 is about 242.4060811775.

The spelling of 14243953 in words is "fourteen million, two hundred forty-three thousand, nine hundred fifty-three".

Divisors: 1 149 95597 14243953