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2220300442 = 219431358813
BaseRepresentation
bin1000010001010111…
…0001100010011010
312201201212221121201
42010111301202122
514021344103232
61004152424414
7106010146063
oct20425614232
95651787551
102220300442
11a3a335648
1251b6a810a
13294cbb759
14170c4356a
15cedcbbe7
hex8457189a

2220300442 has 16 divisors (see below), whose sum is σ = 3587268960. Its totient is φ = 1027261872.

The previous prime is 2220300389. The next prime is 2220300493. The reversal of 2220300442 is 2440030222.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677773 + ... + 681040.

It is an arithmetic number, because the mean of its divisors is an integer number (224204310).

Almost surely, 22220300442 is an apocalyptic number.

2220300442 is a deficient number, since it is larger than the sum of its proper divisors (1366968518).

2220300442 is a wasteful number, since it uses less digits than its factorization.

2220300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358877.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2220300442 is about 47120.0641128596. The cubic root of 2220300442 is about 1304.5795961382.

Adding to 2220300442 its reverse (2440030222), we get a palindrome (4660330664).

The spelling of 2220300442 in words is "two billion, two hundred twenty million, three hundred thousand, four hundred forty-two".

Divisors: 1 2 19 38 43 86 817 1634 1358813 2717626 25817447 51634894 58428959 116857918 1110150221 2220300442