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14149221 = 34716407
BaseRepresentation
bin110101111110…
…011001100101
3222121212002020
4311332121211
512110233341
61223133353
7231160242
oct65763145
928555066
1014149221
117a94579
1248a4259
132c15328
141c445c9
151397566
hexd7e665

14149221 has 4 divisors (see below), whose sum is σ = 18865632. Its totient is φ = 9432812.

The previous prime is 14149217. The next prime is 14149229. The reversal of 14149221 is 12294141.

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.

It is a cyclic number.

It is not a de Polignac number, because 14149221 - 22 = 14149217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14149191 and 14149200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14149229) 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, 2358201 + ... + 2358206.

It is an arithmetic number, because the mean of its divisors is an integer number (4716408).

Almost surely, 214149221 is an apocalyptic number.

It is an amenable number.

14149221 is a deficient number, since it is larger than the sum of its proper divisors (4716411).

14149221 is an equidigital number, since it uses as much as digits as its factorization.

14149221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716410.

The product of its digits is 576, while the sum is 24.

The square root of 14149221 is about 3761.5450283095. The cubic root of 14149221 is about 241.8674968461.

The spelling of 14149221 in words is "fourteen million, one hundred forty-nine thousand, two hundred twenty-one".

Divisors: 1 3 4716407 14149221