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14348221 = 17844013
BaseRepresentation
bin110110101110…
…111110111101
3222222222001121
4312232332331
512133120341
61231310541
7232646356
oct66567675
928888047
1014348221
118110038
12497b451
132c84a94
141c96d2d
1513d64d1
hexdaefbd

14348221 has 4 divisors (see below), whose sum is σ = 15192252. Its totient is φ = 13504192.

The previous prime is 14348219. The next prime is 14348227. The reversal of 14348221 is 12284341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4044121 + 10304100 = 2011^2 + 3210^2 .

It is a cyclic number.

It is not a de Polignac number, because 14348221 - 21 = 14348219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14348227) 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, 421990 + ... + 422023.

It is an arithmetic number, because the mean of its divisors is an integer number (3798063).

Almost surely, 214348221 is an apocalyptic number.

It is an amenable number.

14348221 is a deficient number, since it is larger than the sum of its proper divisors (844031).

14348221 is an equidigital number, since it uses as much as digits as its factorization.

14348221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844030.

The product of its digits is 1536, while the sum is 25.

The square root of 14348221 is about 3787.9045658517. The cubic root of 14348221 is about 242.9961274482.

The spelling of 14348221 in words is "fourteen million, three hundred forty-eight thousand, two hundred twenty-one".

Divisors: 1 17 844013 14348221