Search a number
-
+
33030893 = 74718699
BaseRepresentation
bin111111000000…
…0001011101101
32022011010212102
41332000023231
531423442033
63135544445
7550520660
oct176001355
968133772
1033030893
1117710665
12b08b125
136ac670c
14455b6d7
152d76de8
hex1f802ed

33030893 has 4 divisors (see below), whose sum is σ = 37749600. Its totient is φ = 28312188.

The previous prime is 33030887. The next prime is 33030901. The reversal of 33030893 is 39803033.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39803033 = 290313711.

It is a cyclic number.

It is not a de Polignac number, because 33030893 - 212 = 33026797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33030853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2359343 + ... + 2359356.

It is an arithmetic number, because the mean of its divisors is an integer number (9437400).

Almost surely, 233030893 is an apocalyptic number.

It is an amenable number.

33030893 is a deficient number, since it is larger than the sum of its proper divisors (4718707).

33030893 is an equidigital number, since it uses as much as digits as its factorization.

33030893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718706.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 33030893 is about 5747.2509080429. The cubic root of 33030893 is about 320.8534930530.

The spelling of 33030893 in words is "thirty-three million, thirty thousand, eight hundred ninety-three".

Divisors: 1 7 4718699 33030893