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415442241 = 3218121409
BaseRepresentation
bin11000110000110…
…010010101000001
31001221201122121200
4120300302111001
51322323122431
6105120211413
713203125604
oct3060622501
91057648550
10415442241
111a35629a5
12b7169b69
13680ba316
143d26433b
1526713ee6
hex18c32541

415442241 has 18 divisors (see below), whose sum is σ = 603845190. Its totient is φ = 275235840.

The previous prime is 415442233. The next prime is 415442257. The reversal of 415442241 is 142244514.

415442241 is a `hidden beast` number, since 415 + 4 + 4 + 2 + 241 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 141705216 + 273737025 = 11904^2 + 16545^2 .

It is not a de Polignac number, because 415442241 - 23 = 415442233 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (415442641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 294145 + ... + 295553.

It is an arithmetic number, because the mean of its divisors is an integer number (33546955).

Almost surely, 2415442241 is an apocalyptic number.

It is an amenable number.

415442241 is a deficient number, since it is larger than the sum of its proper divisors (188402949).

415442241 is a wasteful number, since it uses less digits than its factorization.

415442241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1593 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 415442241 is about 20382.4002757281. The cubic root of 415442241 is about 746.1684536703.

Adding to 415442241 its reverse (142244514), we get a palindrome (557686755).

The spelling of 415442241 in words is "four hundred fifteen million, four hundred forty-two thousand, two hundred forty-one".

Divisors: 1 3 9 181 543 1409 1629 4227 12681 32761 98283 255029 294849 765087 2295261 46160249 138480747 415442241