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220334321 = 13910091571
BaseRepresentation
bin11010010001000…
…00100011110001
3120100121010212102
431020200203301
5422401144241
633510310145
75313545054
oct1510404361
9510533772
10220334321
11103411489
1261958355
133685694c
1421396a9b
151452439b
hexd2208f1

220334321 has 8 divisors (see below), whose sum is σ = 222280800. Its totient is φ = 218393280.

The previous prime is 220334311. The next prime is 220334341. The reversal of 220334321 is 123433022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-220334321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220334293 and 220334302.

It is not an unprimeable number, because it can be changed into a prime (220334311) 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, 139466 + ... + 141036.

It is an arithmetic number, because the mean of its divisors is an integer number (27785100).

Almost surely, 2220334321 is an apocalyptic number.

It is an amenable number.

220334321 is a deficient number, since it is larger than the sum of its proper divisors (1946479).

220334321 is a wasteful number, since it uses less digits than its factorization.

220334321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 220334321 is about 14843.6626544799. The cubic root of 220334321 is about 603.9867117305.

Adding to 220334321 its reverse (123433022), we get a palindrome (343767343).

The spelling of 220334321 in words is "two hundred twenty million, three hundred thirty-four thousand, three hundred twenty-one".

Divisors: 1 139 1009 1571 140251 218369 1585139 220334321