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223155424 = 257878861
BaseRepresentation
bin11010100110100…
…01010011100000
3120112220110200201
431103101103200
5424111433144
634050554544
75346534622
oct1523212340
9515813621
10223155424
11104a68a78
1262898a54
1337303a3b
14218ccc12
15148d01d4
hexd4d14e0

223155424 has 24 divisors (see below), whose sum is σ = 439945128. Its totient is φ = 111423360.

The previous prime is 223155421. The next prime is 223155463. The reversal of 223155424 is 424551322.

223155424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2231554243 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223155392 and 223155401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223155421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20754 + ... + 29614.

It is an arithmetic number, because the mean of its divisors is an integer number (18331047).

Almost surely, 2223155424 is an apocalyptic number.

It is an amenable number.

223155424 is a deficient number, since it is larger than the sum of its proper divisors (216789704).

223155424 is an equidigital number, since it uses as much as digits as its factorization.

223155424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9658 (or 9650 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 223155424 is about 14938.3875970601. The cubic root of 223155424 is about 606.5535502716.

The spelling of 223155424 in words is "two hundred twenty-three million, one hundred fifty-five thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 32 787 1574 3148 6296 8861 12592 17722 25184 35444 70888 141776 283552 6973607 13947214 27894428 55788856 111577712 223155424