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404513413 = 2239180667
BaseRepresentation
bin11000000111000…
…110001010000101
31001012011102002021
4120013012022011
51312023412123
6104050043141
713011210253
oct3007061205
91035142067
10404513413
11198378a07
12b35794b1
1365a61a65
143ba1b5d3
15257a5c5d
hex181c6285

404513413 has 4 divisors (see below), whose sum is σ = 404696320. Its totient is φ = 404330508.

The previous prime is 404513411. The next prime is 404513423. The reversal of 404513413 is 314315404.

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 a cyclic number.

It is not a de Polignac number, because 404513413 - 21 = 404513411 is a prime.

It is a super-2 number, since 2×4045134132 = 327262202593817138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404513411) 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 3 ways as a sum of consecutive naturals, for example, 88095 + ... + 92572.

It is an arithmetic number, because the mean of its divisors is an integer number (101174080).

Almost surely, 2404513413 is an apocalyptic number.

It is an amenable number.

404513413 is a deficient number, since it is larger than the sum of its proper divisors (182907).

404513413 is a wasteful number, since it uses less digits than its factorization.

404513413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182906.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 404513413 is about 20112.5188129185. The cubic root of 404513413 is about 739.5672006581.

Adding to 404513413 its reverse (314315404), we get a palindrome (718828817).

The spelling of 404513413 in words is "four hundred four million, five hundred thirteen thousand, four hundred thirteen".

Divisors: 1 2239 180667 404513413