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404641241 = 2111917731
BaseRepresentation
bin11000000111100…
…101010111011001
31001012101220102122
4120013211113121
51312042004431
6104052511025
713012252034
oct3007452731
91035356378
10404641241
11198455a54
12b361b475
1365aa7cb4
143ba5201b
15257cda7b
hex181e55d9

404641241 has 4 divisors (see below), whose sum is σ = 406559184. Its totient is φ = 402723300.

The previous prime is 404641229. The next prime is 404641253. The reversal of 404641241 is 142146404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (404641229) and next prime (404641253).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-404641241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404641241.

It is not an unprimeable number, because it can be changed into a prime (404641201) 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, 958655 + ... + 959076.

It is an arithmetic number, because the mean of its divisors is an integer number (101639796).

Almost surely, 2404641241 is an apocalyptic number.

It is an amenable number.

404641241 is a deficient number, since it is larger than the sum of its proper divisors (1917943).

404641241 is a wasteful number, since it uses less digits than its factorization.

404641241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917942.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 404641241 is about 20115.6963836701. The cubic root of 404641241 is about 739.6450946057.

Adding to 404641241 its reverse (142146404), we get a palindrome (546787645).

The spelling of 404641241 in words is "four hundred four million, six hundred forty-one thousand, two hundred forty-one".

Divisors: 1 211 1917731 404641241