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404112311 = 1931686099
BaseRepresentation
bin11000000101100…
…100001110110111
31001011102000212122
4120011210032313
51311423043221
6104033310155
713004620001
oct3005441667
91034360778
10404112311
11198124619
12b340535b
1365951315
143b955371
1525726eab
hex181643b7

404112311 has 8 divisors (see below), whose sum is σ = 439104000. Its totient is φ = 370492920.

The previous prime is 404112307. The next prime is 404112329. The reversal of 404112311 is 113211404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404112311 - 22 = 404112307 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 404112311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404112301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342461 + ... + 343638.

It is an arithmetic number, because the mean of its divisors is an integer number (54888000).

Almost surely, 2404112311 is an apocalyptic number.

404112311 is a deficient number, since it is larger than the sum of its proper divisors (34991689).

404112311 is a wasteful number, since it uses less digits than its factorization.

404112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686149.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 404112311 is about 20102.5448886453. The cubic root of 404112311 is about 739.3226764351.

Adding to 404112311 its reverse (113211404), we get a palindrome (517323715).

The spelling of 404112311 in words is "four hundred four million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 19 31 589 686099 13035881 21269069 404112311