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33480233 = 44217573
BaseRepresentation
bin111111110110…
…1111000101001
32022222222020122
41333231320221
532032331413
63153333025
7554402003
oct177557051
968888218
1033480233
1117998216
12b267175
136c230b7
144637373
152e15108
hex1fede29

33480233 has 4 divisors (see below), whose sum is σ = 33492228. Its totient is φ = 33468240.

The previous prime is 33480179. The next prime is 33480241. The reversal of 33480233 is 33208433.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33208433 = 49876659.

It can be written as a sum of positive squares in 2 ways, for example, as 31663129 + 1817104 = 5627^2 + 1348^2 .

It is a cyclic number.

It is not a de Polignac number, because 33480233 - 210 = 33479209 is a prime.

It is a super-2 number, since 2×334802332 = 2241852003468578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33480283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (8373057).

Almost surely, 233480233 is an apocalyptic number.

It is an amenable number.

33480233 is a deficient number, since it is larger than the sum of its proper divisors (11995).

33480233 is an equidigital number, since it uses as much as digits as its factorization.

33480233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11994.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 33480233 is about 5786.2105907061. The cubic root of 33480233 is about 322.3018689668.

Adding to 33480233 its reverse (33208433), we get a palindrome (66688666).

The spelling of 33480233 in words is "thirty-three million, four hundred eighty thousand, two hundred thirty-three".

Divisors: 1 4421 7573 33480233