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404113311 = 3278972073
BaseRepresentation
bin11000000101100…
…100011110011111
31001011102002020200
4120011210132133
51311423111221
6104033314543
713004622630
oct3005443637
91034362220
10404113311
11198125348
12b3405a53
1365951904
143b955887
1525727426
hex1816479f

404113311 has 24 divisors (see below), whose sum is σ = 674612640. Its totient is φ = 228324096.

The previous prime is 404113309. The next prime is 404113351. The reversal of 404113311 is 113311404.

It is not a de Polignac number, because 404113311 - 21 = 404113309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404113351) 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, 30430 + ... + 41643.

It is an arithmetic number, because the mean of its divisors is an integer number (28108860).

Almost surely, 2404113311 is an apocalyptic number.

404113311 is a deficient number, since it is larger than the sum of its proper divisors (270499329).

404113311 is a wasteful number, since it uses less digits than its factorization.

404113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72175 (or 72172 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 404113311 is about 20102.5697611027. The cubic root of 404113311 is about 739.3232862672.

Adding to 404113311 its reverse (113311404), we get a palindrome (517424715).

The spelling of 404113311 in words is "four hundred four million, one hundred thirteen thousand, three hundred eleven".

Divisors: 1 3 7 9 21 63 89 267 623 801 1869 5607 72073 216219 504511 648657 1513533 4540599 6414497 19243491 44901479 57730473 134704437 404113311