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14393121 = 34797707
BaseRepresentation
bin110110111001…
…111100100001
31000002020122120
4312321330201
512141034441
61232254453
7233224311
oct66717441
930066576
1014393121
118140846
1249a1429
132c9c352
141ca9441
1513e4966
hexdb9f21

14393121 has 4 divisors (see below), whose sum is σ = 19190832. Its totient is φ = 9595412.

The previous prime is 14393107. The next prime is 14393129. The reversal of 14393121 is 12139341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12139341 = 34046447.

It is a cyclic number.

It is not a de Polignac number, because 14393121 - 211 = 14391073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14393091 and 14393100.

It is not an unprimeable number, because it can be changed into a prime (14393129) 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, 2398851 + ... + 2398856.

It is an arithmetic number, because the mean of its divisors is an integer number (4797708).

Almost surely, 214393121 is an apocalyptic number.

It is an amenable number.

14393121 is a deficient number, since it is larger than the sum of its proper divisors (4797711).

14393121 is an equidigital number, since it uses as much as digits as its factorization.

14393121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4797710.

The product of its digits is 648, while the sum is 24.

The square root of 14393121 is about 3793.8266960946. The cubic root of 14393121 is about 243.2493334047.

It can be divided in two parts, 1439 and 3121, that added together give a triangular number (4560 = T95).

The spelling of 14393121 in words is "fourteen million, three hundred ninety-three thousand, one hundred twenty-one".

Divisors: 1 3 4797707 14393121