Search a number
-
+
33201361 = 89373049
BaseRepresentation
bin111111010100…
…1110011010001
32022110210201001
41332221303101
531444420421
63143342001
7552130654
oct176516321
968423631
1033201361
1117817746
12b151901
136b5619b
1445a389b
152dac691
hex1fa9cd1

33201361 has 4 divisors (see below), whose sum is σ = 33574500. Its totient is φ = 32828224.

The previous prime is 33201347. The next prime is 33201367. The reversal of 33201361 is 16310233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16310233 = 23370001.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 21911761 = 3360^2 + 4681^2 .

It is a cyclic number.

It is not a de Polignac number, because 33201361 - 213 = 33193169 is a prime.

It is a super-2 number, since 2×332013612 = 2204660744504642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33201367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186436 + ... + 186613.

It is an arithmetic number, because the mean of its divisors is an integer number (8393625).

Almost surely, 233201361 is an apocalyptic number.

It is an amenable number.

33201361 is a deficient number, since it is larger than the sum of its proper divisors (373139).

33201361 is an equidigital number, since it uses as much as digits as its factorization.

33201361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373138.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 33201361 is about 5762.0622176440. The cubic root of 33201361 is about 321.4045068215.

Adding to 33201361 its reverse (16310233), we get a palindrome (49511594).

The spelling of 33201361 in words is "thirty-three million, two hundred one thousand, three hundred sixty-one".

Divisors: 1 89 373049 33201361