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2323221 = 31973931
BaseRepresentation
bin1000110111001100010101
311101000212020
420313030111
51043320341
6121443353
725514145
oct10671425
94330766
102323221
11134751a
12940559
136345b4
14446925
1530d566
hex237315

2323221 has 8 divisors (see below), whose sum is σ = 3114144. Its totient is φ = 1540560.

The previous prime is 2323213. The next prime is 2323229. The reversal of 2323221 is 1223232.

2323221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2323213) and next prime (2323229).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2323221 - 23 = 2323213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2323221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2323229) 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 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 2556.

It is an arithmetic number, because the mean of its divisors is an integer number (389268).

22323221 is an apocalyptic number.

It is an amenable number.

2323221 is a deficient number, since it is larger than the sum of its proper divisors (790923).

2323221 is a wasteful number, since it uses less digits than its factorization.

2323221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131.

The product of its digits is 144, while the sum is 15.

The square root of 2323221 is about 1524.2115994835. The cubic root of 2323221 is about 132.4433554007.

Adding to 2323221 its reverse (1223232), we get a palindrome (3546453).

The spelling of 2323221 in words is "two million, three hundred twenty-three thousand, two hundred twenty-one".

Divisors: 1 3 197 591 3931 11793 774407 2323221