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223444004 = 2277980143
BaseRepresentation
bin11010101000101…
…11110000100100
3120120110010112212
431110113300210
5424200202004
634101102552
75352146150
oct1524276044
9516403485
10223444004
11105145873
12629b7a58
13373a51b4
1421966060
151493a96e
hexd517c24

223444004 has 12 divisors (see below), whose sum is σ = 446888064. Its totient is φ = 95761704.

The previous prime is 223443967. The next prime is 223444027. The reversal of 223444004 is 400444322.

223444004 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3990044 + ... + 3990099.

It is an arithmetic number, because the mean of its divisors is an integer number (37240672).

Almost surely, 2223444004 is an apocalyptic number.

It is an amenable number.

223444004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223444004 is a wasteful number, since it uses less digits than its factorization.

223444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7980154 (or 7980152 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 223444004 is about 14948.0434840149. The cubic root of 223444004 is about 606.8148985017.

Adding to 223444004 its reverse (400444322), we get a palindrome (623888326).

It can be divided in two parts, 22344 and 4004, that multiplied together give a triangular number (89465376 = T13376).

The spelling of 223444004 in words is "two hundred twenty-three million, four hundred forty-four thousand, four".

Divisors: 1 2 4 7 14 28 7980143 15960286 31920572 55861001 111722002 223444004