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223152233 = 239702271
BaseRepresentation
bin11010100110100…
…00100001101001
3120112220022022112
431103100201221
5424111332413
634050532105
75346522413
oct1523204151
9515808275
10223152233
11104a66637
1262897035
1337302455
14218cb9b3
15148ce2a8
hexd4d0869

223152233 has 4 divisors (see below), whose sum is σ = 232854528. Its totient is φ = 213449940.

The previous prime is 223152211. The next prime is 223152239. The reversal of 223152233 is 332251322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223152233 - 214 = 223135849 is a prime.

It is a super-3 number, since 3×2231522333 (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 9702271 = 223152233 / (2 + 2 + 3 + 1 + 5 + 2 + 2 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223152199 and 223152208.

It is not an unprimeable number, because it can be changed into a prime (223152239) 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, 4851113 + ... + 4851158.

It is an arithmetic number, because the mean of its divisors is an integer number (58213632).

Almost surely, 2223152233 is an apocalyptic number.

223152233 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

223152233 is a deficient number, since it is larger than the sum of its proper divisors (9702295).

223152233 is an equidigital number, since it uses as much as digits as its factorization.

223152233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702294.

The product of its digits is 2160, while the sum is 23.

The square root of 223152233 is about 14938.2807913093. The cubic root of 223152233 is about 606.5506591303.

The spelling of 223152233 in words is "two hundred twenty-three million, one hundred fifty-two thousand, two hundred thirty-three".

Divisors: 1 23 9702271 223152233