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404124413 = 72114118287
BaseRepresentation
bin11000000101100…
…111001011111101
31001011102122110212
4120011213023331
51311423440123
6104033442205
713005000200
oct3005471375
91034378425
10404124413
11198132720
12b3410365
1365956994
143b959937
152572a878
hex181672fd

404124413 has 24 divisors (see below), whose sum is σ = 525377664. Its totient is φ = 307204800.

The previous prime is 404124361. The next prime is 404124431. The reversal of 404124413 is 314421404.

It is a happy number.

It is not a de Polignac number, because 404124413 - 212 = 404120317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404124473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12956 + ... + 31242.

It is an arithmetic number, because the mean of its divisors is an integer number (21890736).

Almost surely, 2404124413 is an apocalyptic number.

It is an amenable number.

404124413 is a deficient number, since it is larger than the sum of its proper divisors (121253251).

404124413 is a wasteful number, since it uses less digits than its factorization.

404124413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18353 (or 18346 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404124413 is about 20102.8458930570. The cubic root of 404124413 is about 739.3300565564.

Adding to 404124413 its reverse (314421404), we get a palindrome (718545817).

The spelling of 404124413 in words is "four hundred four million, one hundred twenty-four thousand, four hundred thirteen".

Divisors: 1 7 11 41 49 77 287 451 539 2009 3157 18287 22099 128009 201157 749767 896063 1408099 5248369 8247437 9856693 36738583 57732059 404124413