Search a number
-
+
3220321424 = 241711839417
BaseRepresentation
bin1011111111110010…
…0011010010010000
322022102121021111212
42333330203102100
523043400241144
61251314355252
7142542165125
oct27774432220
98272537455
103220321424
111402873171
1275a58bb28
133c4235348
1422799874c
1513cab449e
hexbff23490

3220321424 has 20 divisors (see below), whose sum is σ = 6606395244. Its totient is φ = 1515445248.

The previous prime is 3220321367. The next prime is 3220321427. The reversal of 3220321424 is 4241230223.

It can be written as a sum of positive squares in 2 ways, for example, as 913248400 + 2307073024 = 30220^2 + 48032^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3220321424.

It is not an unprimeable number, because it can be changed into a prime (3220321427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5919437 + ... + 5919980.

Almost surely, 23220321424 is an apocalyptic number.

3220321424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3220321424 is an abundant number, since it is smaller than the sum of its proper divisors (3386073820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220321424 is a wasteful number, since it uses less digits than its factorization.

3220321424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839442 (or 11839436 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 3220321424 is about 56747.8759426289. The cubic root of 3220321424 is about 1476.7253847895.

Adding to 3220321424 its reverse (4241230223), we get a palindrome (7461551647).

The spelling of 3220321424 in words is "three billion, two hundred twenty million, three hundred twenty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 11839417 23678834 47357668 94715336 189430672 201270089 402540178 805080356 1610160712 3220321424