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3302312221 = 13219540309
BaseRepresentation
bin1100010011010101…
…0100100100011101
322112010212211202001
43010311110210131
523230342442341
61303404002301
7144556122265
oct30465244435
98463784661
103302312221
11144508405a
12781b30391
13408211900
1423481c7a5
15144dacd31
hexc4d5491d

3302312221 has 6 divisors (see below), whose sum is σ = 3575876730. Its totient is φ = 3048288048.

The previous prime is 3302312207. The next prime is 3302312243. The reversal of 3302312221 is 1222132033.

It can be written as a sum of positive squares in 3 ways, for example, as 74822500 + 3227489721 = 8650^2 + 56811^2 .

It is not a de Polignac number, because 3302312221 - 29 = 3302311709 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 (3302312291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9769986 + ... + 9770323.

It is an arithmetic number, because the mean of its divisors is an integer number (595979455).

Almost surely, 23302312221 is an apocalyptic number.

It is an amenable number.

3302312221 is a deficient number, since it is larger than the sum of its proper divisors (273564509).

3302312221 is a wasteful number, since it uses less digits than its factorization.

3302312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19540335 (or 19540322 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3302312221 is about 57465.7482418875. The cubic root of 3302312221 is about 1489.1531937384.

Adding to 3302312221 its reverse (1222132033), we get a palindrome (4524444254).

The spelling of 3302312221 in words is "three billion, three hundred two million, three hundred twelve thousand, two hundred twenty-one".

Divisors: 1 13 169 19540309 254024017 3302312221