Search a number
-
+
33450449 is a prime number
BaseRepresentation
bin111111110011…
…0100111010001
32022221110101112
41333212213101
532030403244
63152543105
7554216114
oct177464721
968843345
1033450449
11179778aa
12b251a95
136c12686
14462a57b
152e0b39e
hex1fe69d1

33450449 has 2 divisors, whose sum is σ = 33450450. Its totient is φ = 33450448.

The previous prime is 33450437. The next prime is 33450451. The reversal of 33450449 is 94405433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33269824 + 180625 = 5768^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 33450449 - 216 = 33384913 is a prime.

It is a super-2 number, since 2×334504492 = 2237865076603202, which contains 22 as substring.

Together with 33450451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33450409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16725224 + 16725225.

It is an arithmetic number, because the mean of its divisors is an integer number (16725225).

Almost surely, 233450449 is an apocalyptic number.

It is an amenable number.

33450449 is a deficient number, since it is larger than the sum of its proper divisors (1).

33450449 is an equidigital number, since it uses as much as digits as its factorization.

33450449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 33450449 is about 5783.6363129090. The cubic root of 33450449 is about 322.2062674136.

The spelling of 33450449 in words is "thirty-three million, four hundred fifty thousand, four hundred forty-nine".