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404792313 = 3311433861
BaseRepresentation
bin11000001000001…
…010001111111001
31001012200120122220
4120020022033321
51312111323223
6104100034253
713013451342
oct3010121771
91035616586
10404792313
11198549502
12b3692989
1365b2b9a3
143ba910c9
152580d6e3
hex1820a3f9

404792313 has 8 divisors (see below), whose sum is σ = 541459776. Its totient is φ = 268993200.

The previous prime is 404792299. The next prime is 404792347. The reversal of 404792313 is 313297404.

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

It is not a de Polignac number, because 404792313 - 25 = 404792281 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (404792363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215998 + ... + 217863.

It is an arithmetic number, because the mean of its divisors is an integer number (67682472).

Almost surely, 2404792313 is an apocalyptic number.

It is an amenable number.

404792313 is a deficient number, since it is larger than the sum of its proper divisors (136667463).

404792313 is a wasteful number, since it uses less digits than its factorization.

404792313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434175.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 404792313 is about 20119.4511108032. The cubic root of 404792313 is about 739.7371314929.

The spelling of 404792313 in words is "four hundred four million, seven hundred ninety-two thousand, three hundred thirteen".

Divisors: 1 3 311 933 433861 1301583 134930771 404792313