Search a number
-
+
4779180225 = 34522360089
BaseRepresentation
bin1000111001101110…
…01000000011000001
3110100001212111210000
410130313020003001
534241432231400
62110122230213
7226301235021
oct43467100301
913301774700
104779180225
1120327a4926
12b14655369
135b2194cc1
14334a1da81
151ce888600
hex11cdc80c1

4779180225 has 30 divisors (see below), whose sum is σ = 8852697590. Its totient is φ = 2548895040.

The previous prime is 4779180223. The next prime is 4779180227. The reversal of 4779180225 is 5220819774.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4779180223) and next prime (4779180227).

It can be written as a sum of positive squares in 3 ways, for example, as 1428159681 + 3351020544 = 37791^2 + 57888^2 .

It is not a de Polignac number, because 4779180225 - 21 = 4779180223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4779180223) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 1178020 + ... + 1182069.

Almost surely, 24779180225 is an apocalyptic number.

4779180225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4779180225 is a deficient number, since it is larger than the sum of its proper divisors (4073517365).

4779180225 is a wasteful number, since it uses less digits than its factorization.

4779180225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360111 (or 2360097 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 4779180225 is about 69131.6152349994. The cubic root of 4779180225 is about 1684.4228961107.

Adding to 4779180225 its reverse (5220819774), we get a palindrome (9999999999).

The spelling of 4779180225 in words is "four billion, seven hundred seventy-nine million, one hundred eighty thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 2360089 7080267 11800445 21240801 35401335 59002225 63722403 106204005 177006675 191167209 318612015 531020025 955836045 1593060075 4779180225