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4314221 = 15128571
BaseRepresentation
bin10000011101010001101101
322010011222222
4100131101231
52101023341
6232245125
751445622
oct20352155
98104888
104314221
11248737a
1215407a5
13b808c2
14804349
155a344b
hex41d46d

4314221 has 4 divisors (see below), whose sum is σ = 4342944. Its totient is φ = 4285500.

The previous prime is 4314217. The next prime is 4314241. The reversal of 4314221 is 1224134.

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: 1224134 = 2612067.

It is a cyclic number.

It is not a de Polignac number, because 4314221 - 22 = 4314217 is a prime.

It is a super-2 number, since 2×43142212 = 37225005673682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4314221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4314241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14135 + ... + 14436.

It is an arithmetic number, because the mean of its divisors is an integer number (1085736).

Almost surely, 24314221 is an apocalyptic number.

It is an amenable number.

4314221 is a deficient number, since it is larger than the sum of its proper divisors (28723).

4314221 is a wasteful number, since it uses less digits than its factorization.

4314221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28722.

The product of its digits is 192, while the sum is 17.

The square root of 4314221 is about 2077.0702925034. The cubic root of 4314221 is about 162.7924013501.

Adding to 4314221 its reverse (1224134), we get a palindrome (5538355).

The spelling of 4314221 in words is "four million, three hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 151 28571 4314221