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223424012 = 2278119839
BaseRepresentation
bin11010101000100…
…10111000001100
3120120102010010102
431110102320030
5424144032022
634100430232
75352033650
oct1524227014
9516363112
10223424012
11105131849
12629a8378
1337399076
142195ca60
1514934a92
hexd512e0c

223424012 has 24 divisors (see below), whose sum is σ = 447444480. Its totient is φ = 95625360.

The previous prime is 223424011. The next prime is 223424027. The reversal of 223424012 is 210424322.

It is a super-2 number, since 2×2234240122 = 99836578276352288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (223424011) 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, 17789 + ... + 27627.

It is an arithmetic number, because the mean of its divisors is an integer number (18643520).

Almost surely, 2223424012 is an apocalyptic number.

It is an amenable number.

223424012 is an abundant number, since it is smaller than the sum of its proper divisors (224020468).

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

223424012 is a wasteful number, since it uses less digits than its factorization.

223424012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10661 (or 10659 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 223424012 is about 14947.3747527785. The cubic root of 223424012 is about 606.7968002981.

Adding to 223424012 its reverse (210424322), we get a palindrome (433848334).

The spelling of 223424012 in words is "two hundred twenty-three million, four hundred twenty-four thousand, twelve".

Divisors: 1 2 4 7 14 28 811 1622 3244 5677 9839 11354 19678 22708 39356 68873 137746 275492 7979429 15958858 31917716 55856003 111712006 223424012