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2220046401 = 38328131729
BaseRepresentation
bin1000010001010011…
…0011100001000001
312201201102001010210
42010110303201001
514021312441101
61004143144333
7106005040326
oct20424634101
95651361123
102220046401
11a3a1817a1
1251b5a50a9
13294c2cc31
14170bb8b4d
15ced7b7d6
hex84533841

2220046401 has 16 divisors (see below), whose sum is σ = 3006480960. Its totient is φ = 1456949760.

The previous prime is 2220046399. The next prime is 2220046403. The reversal of 2220046401 is 1046400222.

It is an interprime number because it is at equal distance from previous prime (2220046399) and next prime (2220046403).

It is not a de Polignac number, because 2220046401 - 21 = 2220046399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2220046403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54105 + ... + 85833.

It is an arithmetic number, because the mean of its divisors is an integer number (187905060).

Almost surely, 22220046401 is an apocalyptic number.

It is an amenable number.

2220046401 is a deficient number, since it is larger than the sum of its proper divisors (786434559).

2220046401 is a wasteful number, since it uses less digits than its factorization.

2220046401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32096.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2220046401 is about 47117.3683581755. The cubic root of 2220046401 is about 1304.5298387060.

Adding to 2220046401 its reverse (1046400222), we get a palindrome (3266446623).

The spelling of 2220046401 in words is "two billion, two hundred twenty million, forty-six thousand, four hundred one".

Divisors: 1 3 83 249 281 843 23323 31729 69969 95187 2633507 7900521 8915849 26747547 740015467 2220046401