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404000223 = 311172113413
BaseRepresentation
bin11000000101001…
…000110111011111
31001011012100010020
4120011020313133
51311411001343
6104031043223
713003642134
oct3005106737
91034170106
10404000223
11198058390
12b3370513
13659122b3
143b92658b
1525703b83
hex18148ddf

404000223 has 32 divisors (see below), whose sum is σ = 625335552. Its totient is φ = 229286400.

The previous prime is 404000213. The next prime is 404000263. The reversal of 404000223 is 322000404.

It is a happy number.

It is not a de Polignac number, because 404000223 - 26 = 404000159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116665 + ... + 120077.

It is an arithmetic number, because the mean of its divisors is an integer number (19541736).

Almost surely, 2404000223 is an apocalyptic number.

404000223 is a deficient number, since it is larger than the sum of its proper divisors (221335329).

404000223 is a wasteful number, since it uses less digits than its factorization.

404000223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 404000223 is about 20099.7567895734. The cubic root of 404000223 is about 739.2543151892.

Adding to 404000223 its reverse (322000404), we get a palindrome (726000627).

The spelling of 404000223 in words is "four hundred four million, two hundred twenty-three", and thus it is an aban number.

Divisors: 1 3 11 17 33 51 187 211 561 633 2321 3413 3587 6963 10239 10761 37543 39457 58021 112629 118371 174063 638231 720143 1914693 2160429 7921573 12242431 23764719 36727293 134666741 404000223