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3230221 = 171391367
BaseRepresentation
bin1100010100101000001101
320002010000211
430110220031
51311331341
6153122421
736312361
oct14245015
96063024
103230221
111906a05
1210b9411
13891397
146012a1
1543c181
hex314a0d

3230221 has 8 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 3016128.

The previous prime is 3230207. The next prime is 3230237. The reversal of 3230221 is 1220323.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3230221 - 27 = 3230093 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 (3230321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 3046.

It is an arithmetic number, because the mean of its divisors is an integer number (430920).

Almost surely, 23230221 is an apocalyptic number.

It is an amenable number.

3230221 is a deficient number, since it is larger than the sum of its proper divisors (217139).

3230221 is a wasteful number, since it uses less digits than its factorization.

3230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3230221 is about 1797.2815583542. The cubic root of 3230221 is about 147.8237035208.

Adding to 3230221 its reverse (1220323), we get a palindrome (4450544).

It can be divided in two parts, 32302 and 21, that added together give a palindrome (32323).

The spelling of 3230221 in words is "three million, two hundred thirty thousand, two hundred twenty-one".

Divisors: 1 17 139 1367 2363 23239 190013 3230221