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3240055221 = 31383078339
BaseRepresentation
bin1100000100011111…
…0101000110110101
322100210201212012020
43001013311012311
523113423231341
61253301343353
7143202005064
oct30107650665
98323655166
103240055221
111412a21497
12765107b59
133c8354550
1422a4541db
1513e6b1566
hexc11f51b5

3240055221 has 8 divisors (see below), whose sum is σ = 4652387040. Its totient is φ = 1993880112.

The previous prime is 3240055171. The next prime is 3240055223. The reversal of 3240055221 is 1225500423.

3240055221 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 3240055221 - 215 = 3240022453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3240055191 and 3240055200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240055223) 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, 41539131 + ... + 41539208.

It is an arithmetic number, because the mean of its divisors is an integer number (581548380).

Almost surely, 23240055221 is an apocalyptic number.

It is an amenable number.

3240055221 is a deficient number, since it is larger than the sum of its proper divisors (1412331819).

3240055221 is a wasteful number, since it uses less digits than its factorization.

3240055221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83078355.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3240055221 is about 56921.4829480048. The cubic root of 3240055221 is about 1479.7356511368.

Adding to 3240055221 its reverse (1225500423), we get a palindrome (4465555644).

The spelling of 3240055221 in words is "three billion, two hundred forty million, fifty-five thousand, two hundred twenty-one".

Divisors: 1 3 13 39 83078339 249235017 1080018407 3240055221