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14943979 = 47317957
BaseRepresentation
bin111001000000…
…011011101011
31001010020021201
4321000123223
512311201404
61252145031
7241010311
oct71003353
931106251
1014943979
1184876a6
125008177
133132cbb
141db00b1
1514a2ca4
hexe406eb

14943979 has 4 divisors (see below), whose sum is σ = 15261984. Its totient is φ = 14625976.

The previous prime is 14943949. The next prime is 14943983. The reversal of 14943979 is 97934941.

14943979 = 2532 + 2542 + ... + 3932.

14943979 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: 97934941 = 137533457.

It is a cyclic number.

It is not a de Polignac number, because 14943979 - 25 = 14943947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14943949) 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, 158932 + ... + 159025.

It is an arithmetic number, because the mean of its divisors is an integer number (3815496).

Almost surely, 214943979 is an apocalyptic number.

14943979 is a deficient number, since it is larger than the sum of its proper divisors (318005).

14943979 is an equidigital number, since it uses as much as digits as its factorization.

14943979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318004.

The product of its digits is 244944, while the sum is 46.

The square root of 14943979 is about 3865.7443009077. The cubic root of 14943979 is about 246.3138029422.

The spelling of 14943979 in words is "fourteen million, nine hundred forty-three thousand, nine hundred seventy-nine".

Divisors: 1 47 317957 14943979