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3244133221 = 7857540779
BaseRepresentation
bin1100000101011101…
…1000101101100101
322101002102001011021
43001113120231211
523120444230341
61253525011141
7143251451230
oct30127305545
98332361137
103244133221
11141525733a
12766553ab1
133c9151774
1422abd6417
1513ec199d1
hexc15d8b65

3244133221 has 8 divisors (see below), whose sum is σ = 3711913920. Its totient is φ = 2777435808.

The previous prime is 3244133219. The next prime is 3244133267. The reversal of 3244133221 is 1223314423.

3244133221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 3244133221 - 21 = 3244133219 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 (3244133521) 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, 264391 + ... + 276388.

It is an arithmetic number, because the mean of its divisors is an integer number (463989240).

Almost surely, 23244133221 is an apocalyptic number.

It is an amenable number.

3244133221 is a deficient number, since it is larger than the sum of its proper divisors (467780699).

3244133221 is an equidigital number, since it uses as much as digits as its factorization.

3244133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541643.

The product of its digits is 3456, while the sum is 25.

The square root of 3244133221 is about 56957.2929570920. The cubic root of 3244133221 is about 1480.3561994181.

Adding to 3244133221 its reverse (1223314423), we get a palindrome (4467447644).

The spelling of 3244133221 in words is "three billion, two hundred forty-four million, one hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 7 857 5999 540779 3785453 463447603 3244133221