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2221401104 = 241310679813
BaseRepresentation
bin1000010001100111…
…1110010000010000
312201210221212102222
42010121332100100
514022134313404
61004232200212
7106022412026
oct20431762020
95653855388
102221401104
11a3aa1758a
1251bb39068
132952b5730
1417104c716
15d0047dbe
hex8467e410

2221401104 has 20 divisors (see below), whose sum is σ = 4635039276. Its totient is φ = 1025261952.

The previous prime is 2221401097. The next prime is 2221401109. The reversal of 2221401104 is 4011041222.

It can be written as a sum of positive squares in 2 ways, for example, as 294191104 + 1927210000 = 17152^2 + 43900^2 .

It is not an unprimeable number, because it can be changed into a prime (2221401109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5339699 + ... + 5340114.

Almost surely, 22221401104 is an apocalyptic number.

It is an amenable number.

2221401104 is an abundant number, since it is smaller than the sum of its proper divisors (2413638172).

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

2221401104 is a wasteful number, since it uses less digits than its factorization.

2221401104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679834 (or 10679828 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2221401104 is about 47131.7420004820. The cubic root of 2221401104 is about 1304.7951321311.

Adding to 2221401104 its reverse (4011041222), we get a palindrome (6232442326).

The spelling of 2221401104 in words is "two billion, two hundred twenty-one million, four hundred one thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 10679813 21359626 42719252 85438504 138837569 170877008 277675138 555350276 1110700552 2221401104