Search a number
-
+
424441025 = 5216977641
BaseRepresentation
bin11001010011000…
…111010011000001
31002120122211121222
4121103013103001
51332124103100
6110041124425
713342455251
oct3123072301
91076584558
10424441025
111a8649908
12ba189715
1369c1b248
1440527961
15273e0485
hex194c74c1

424441025 has 6 divisors (see below), whose sum is σ = 526306902. Its totient is φ = 339552800.

The previous prime is 424441007. The next prime is 424441051. The reversal of 424441025 is 520144424.

It can be written as a sum of positive squares in 3 ways, for example, as 15147664 + 409293361 = 3892^2 + 20231^2 .

It is not a de Polignac number, because 424441025 - 210 = 424440001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424440985 and 424441003.

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 5 ways as a sum of consecutive naturals, for example, 8488796 + ... + 8488845.

It is an arithmetic number, because the mean of its divisors is an integer number (87717817).

Almost surely, 2424441025 is an apocalyptic number.

It is an amenable number.

424441025 is a deficient number, since it is larger than the sum of its proper divisors (101865877).

424441025 is a wasteful number, since it uses less digits than its factorization.

424441025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16977651 (or 16977646 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 424441025 is about 20601.9665323483. The cubic root of 424441025 is about 751.5175347873.

Adding to 424441025 its reverse (520144424), we get a palindrome (944585449).

The spelling of 424441025 in words is "four hundred twenty-four million, four hundred forty-one thousand, twenty-five".

Divisors: 1 5 25 16977641 84888205 424441025