Search a number
-
+
33255305 = 541162221
BaseRepresentation
bin111111011011…
…0111110001001
32022120112200222
41332312332021
532003132210
63144435425
7552444146
oct176667611
968515628
1033255305
1117854226
12b178b75
136b748c5
1445b93cd
152dbd655
hex1fb6f89

33255305 has 8 divisors (see below), whose sum is σ = 40879944. Its totient is φ = 25955200.

The previous prime is 33255293. The next prime is 33255307. The reversal of 33255305 is 50355233.

It can be written as a sum of positive squares in 4 ways, for example, as 674041 + 32581264 = 821^2 + 5708^2 .

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

It is not a de Polignac number, because 33255305 - 28 = 33255049 is a prime.

It is a super-2 number, since 2×332553052 = 2211830621286050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33255307) 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 7 ways as a sum of consecutive naturals, for example, 80906 + ... + 81315.

It is an arithmetic number, because the mean of its divisors is an integer number (5109993).

Almost surely, 233255305 is an apocalyptic number.

It is an amenable number.

33255305 is a deficient number, since it is larger than the sum of its proper divisors (7624639).

33255305 is a wasteful number, since it uses less digits than its factorization.

33255305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162267.

The product of its (nonzero) digits is 6750, while the sum is 26.

The square root of 33255305 is about 5766.7412808275. The cubic root of 33255305 is about 321.5784802447.

The spelling of 33255305 in words is "thirty-three million, two hundred fifty-five thousand, three hundred five".

Divisors: 1 5 41 205 162221 811105 6651061 33255305