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33214121 is a prime number
BaseRepresentation
bin111111010110…
…0111010101001
32022111110012122
41332230322221
532000322441
63143521025
7552213113
oct176547251
968443178
1033214121
1117826296
12b159175
136b5bc35
1445a83b3
152db134b
hex1facea9

33214121 has 2 divisors, whose sum is σ = 33214122. Its totient is φ = 33214120.

The previous prime is 33214099. The next prime is 33214157. The reversal of 33214121 is 12141233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26265625 + 6948496 = 5125^2 + 2636^2 .

It is a cyclic number.

It is not a de Polignac number, because 33214121 - 26 = 33214057 is a prime.

It is a super-2 number, since 2×332141212 = 2206355667605282, which contains 22 as substring.

It is equal to p2044016 and since 33214121 and 2044016 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 33214121.

It is not a weakly prime, because it can be changed into another prime (33214171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16607060 + 16607061.

It is an arithmetic number, because the mean of its divisors is an integer number (16607061).

Almost surely, 233214121 is an apocalyptic number.

It is an amenable number.

33214121 is a deficient number, since it is larger than the sum of its proper divisors (1).

33214121 is an equidigital number, since it uses as much as digits as its factorization.

33214121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 17.

The square root of 33214121 is about 5763.1693537497. The cubic root of 33214121 is about 321.4456757788.

Adding to 33214121 its reverse (12141233), we get a palindrome (45355354).

The spelling of 33214121 in words is "thirty-three million, two hundred fourteen thousand, one hundred twenty-one".