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223020032 = 210217793
BaseRepresentation
bin11010100101100…
…00010000000000
3120112122120222012
431102300100000
5424043120112
634044032052
75345432114
oct1522602000
9515576865
10223020032
11104986284
1262832628
1337287221
1421895744
15148a5022
hexd4b0400

223020032 has 22 divisors (see below), whose sum is σ = 445824318. Its totient is φ = 111509504.

The previous prime is 223020013. The next prime is 223020089. The reversal of 223020032 is 230020322.

It can be written as a sum of positive squares in only one way, i.e., 138674176 + 84345856 = 11776^2 + 9184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 223019989 and 223020016.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107873 + ... + 109920.

Almost surely, 2223020032 is an apocalyptic number.

It is an amenable number.

223020032 is a deficient number, since it is larger than the sum of its proper divisors (222804286).

223020032 is an equidigital number, since it uses as much as digits as its factorization.

223020032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217813 (or 217795 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 223020032 is about 14933.8552289755. The cubic root of 223020032 is about 606.4308568430.

Adding to 223020032 its reverse (230020322), we get a palindrome (453040354).

The spelling of 223020032 in words is "two hundred twenty-three million, twenty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 64 128 256 512 1024 217793 435586 871172 1742344 3484688 6969376 13938752 27877504 55755008 111510016 223020032