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404000211 = 3197087723
BaseRepresentation
bin11000000101001…
…000110111010011
31001011012100002210
4120011020313103
51311411001321
6104031043203
713003642116
oct3005106723
91034170083
10404000211
1119805837a
12b3370503
13659122a4
143b92657d
1525703b76
hex18148dd3

404000211 has 8 divisors (see below), whose sum is σ = 567017920. Its totient is φ = 255157992.

The previous prime is 404000171. The next prime is 404000213. The reversal of 404000211 is 112000404.

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

It is not a de Polignac number, because 404000211 - 26 = 404000147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404000213) 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, 3543805 + ... + 3543918.

It is an arithmetic number, because the mean of its divisors is an integer number (70877240).

Almost surely, 2404000211 is an apocalyptic number.

404000211 is a deficient number, since it is larger than the sum of its proper divisors (163017709).

404000211 is a wasteful number, since it uses less digits than its factorization.

404000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7087745.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 404000211 is about 20099.7564910623. The cubic root of 404000211 is about 739.2543078699.

Adding to 404000211 its reverse (112000404), we get a palindrome (516000615).

The spelling of 404000211 in words is "four hundred four million, two hundred eleven", and thus it is an aban number.

Divisors: 1 3 19 57 7087723 21263169 134666737 404000211