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220434033 = 378419371
BaseRepresentation
bin11010010001110…
…00111001110001
3120100210012122110
431020320321301
5422412342113
633512355533
75314441551
oct1510707161
9510705573
10220434033
1110347a396
12619a5ba9
1336890151
14213c1161
1514543bc3
hexd238e71

220434033 has 8 divisors (see below), whose sum is σ = 293980896. Its totient is φ = 146921600.

The previous prime is 220434031. The next prime is 220434037. The reversal of 220434033 is 330434022.

220434033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220434033 - 21 = 220434031 is a prime.

It is a super-4 number, since 4×2204340334 (a number of 34 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (220434031) 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, 18838 + ... + 28208.

It is an arithmetic number, because the mean of its divisors is an integer number (36747612).

Almost surely, 2220434033 is an apocalyptic number.

It is an amenable number.

220434033 is a deficient number, since it is larger than the sum of its proper divisors (73546863).

220434033 is an equidigital number, since it uses as much as digits as its factorization.

220434033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17215.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 220434033 is about 14847.0210143315. The cubic root of 220434033 is about 604.0778091140.

Adding to 220434033 its reverse (330434022), we get a palindrome (550868055).

The spelling of 220434033 in words is "two hundred twenty million, four hundred thirty-four thousand, thirty-three".

Divisors: 1 3 7841 9371 23523 28113 73478011 220434033