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3044320221 = 379103311401
BaseRepresentation
bin1011010101110100…
…1010001111011101
321212011102111020210
42311131022033131
522213321221341
61222030203033
7135304203105
oct26535121735
97764374223
103044320221
111322491928
1270b653479
13396931617
1420c462205
1512c3eac16
hexb574a3dd

3044320221 has 32 divisors (see below), whose sum is σ = 4174110720. Its totient is φ = 1973088000.

The previous prime is 3044320219. The next prime is 3044320247. The reversal of 3044320221 is 1220234403.

It is not a de Polignac number, because 3044320221 - 21 = 3044320219 is a prime.

It is a super-4 number, since 4×30443202214 (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3044320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7591621 + ... + 7592021.

It is an arithmetic number, because the mean of its divisors is an integer number (130440960).

Almost surely, 23044320221 is an apocalyptic number.

It is an amenable number.

3044320221 is a deficient number, since it is larger than the sum of its proper divisors (1129790499).

3044320221 is a wasteful number, since it uses less digits than its factorization.

3044320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3044320221 is about 55175.3588207635. The cubic root of 3044320221 is about 1449.3171927446.

Adding to 3044320221 its reverse (1220234403), we get a palindrome (4264554624).

The spelling of 3044320221 in words is "three billion, forty-four million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 79 103 237 309 311 401 933 1203 8137 24411 24569 31679 32033 41303 73707 95037 96099 123909 124711 374133 2530607 3262937 7591821 9788811 9852169 12845233 29556507 38535699 1014773407 3044320221