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220223112 = 23337247999
BaseRepresentation
bin11010010000001…
…01011010001000
3120100101111022120
431020011122020
5422334114422
633504051240
75312602614
oct1510053210
9510344276
10220223112
1110334597a
1261903b20
1336818145
1421368344
151450145c
hexd205688

220223112 has 32 divisors (see below), whose sum is σ = 565440000. Its totient is φ = 71423424.

The previous prime is 220223111. The next prime is 220223119. The reversal of 220223112 is 211322022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220223091 and 220223100.

It is not an unprimeable number, because it can be changed into a prime (220223111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123112 + ... + 124887.

It is an arithmetic number, because the mean of its divisors is an integer number (17670000).

Almost surely, 2220223112 is an apocalyptic number.

It is an amenable number.

220223112 is an abundant number, since it is smaller than the sum of its proper divisors (345216888).

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

220223112 is a wasteful number, since it uses less digits than its factorization.

220223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248045 (or 248041 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220223112 is about 14839.9161722700. The cubic root of 220223112 is about 603.8850782042.

Adding to 220223112 its reverse (211322022), we get a palindrome (431545134).

The spelling of 220223112 in words is "two hundred twenty million, two hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 37 74 111 148 222 296 444 888 247999 495998 743997 991996 1487994 1983992 2975988 5951976 9175963 18351926 27527889 36703852 55055778 73407704 110111556 220223112