Search a number
-
+
4423370081 = 13428979333
BaseRepresentation
bin1000001111010011…
…10100010101100001
3102102021100111000112
410013221310111201
533024340320311
62010532101105
7214421011454
oct40751642541
912367314015
104423370081
11196a971459
12a35464795
13556556360
142dd67d49b
151ad50328b
hex107a74561

4423370081 has 8 divisors (see below), whose sum is σ = 4764800040. Its totient is φ = 4082107392.

The previous prime is 4423370071. The next prime is 4423370141. The reversal of 4423370081 is 1800733244.

It can be written as a sum of positive squares in 4 ways, for example, as 828288400 + 3595081681 = 28780^2 + 59959^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4423370081 - 218 = 4423107937 is a prime.

It is a super-2 number, since 2×44233700812 = 39132405746971893122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4423370071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16091 + ... + 95423.

It is an arithmetic number, because the mean of its divisors is an integer number (595600005).

Almost surely, 24423370081 is an apocalyptic number.

It is an amenable number.

4423370081 is a deficient number, since it is larger than the sum of its proper divisors (341429959).

4423370081 is a wasteful number, since it uses less digits than its factorization.

4423370081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83635.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 4423370081 is about 66508.4211284556. The cubic root of 4423370081 is about 1641.5385721190.

The spelling of 4423370081 in words is "four billion, four hundred twenty-three million, three hundred seventy thousand, eighty-one".

Divisors: 1 13 4289 55757 79333 1031329 340259237 4423370081