Search a number
-
+
33130203 = 311043401
BaseRepresentation
bin111111001100…
…0011011011011
32022100012002120
41332120123123
531440131303
63142032323
7551413341
oct176303333
968305076
1033130203
1117779237
12b1186a3
136b2c992
144585991
152d96553
hex1f986db

33130203 has 4 divisors (see below), whose sum is σ = 44173608. Its totient is φ = 22086800.

The previous prime is 33130199. The next prime is 33130213. The reversal of 33130203 is 30203133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30203133 = 310067711.

It is a cyclic number.

It is not a de Polignac number, because 33130203 - 22 = 33130199 is a prime.

It is a super-2 number, since 2×331302032 = 2195220701642418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33130213) 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, 5521698 + ... + 5521703.

It is an arithmetic number, because the mean of its divisors is an integer number (11043402).

Almost surely, 233130203 is an apocalyptic number.

33130203 is a deficient number, since it is larger than the sum of its proper divisors (11043405).

33130203 is a wasteful number, since it uses less digits than its factorization.

33130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043404.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 33130203 is about 5755.8842066185. The cubic root of 33130203 is about 321.1747284875.

Adding to 33130203 its reverse (30203133), we get a palindrome (63333336).

It can be divided in two parts, 33130 and 203, that added together give a palindrome (33333).

The spelling of 33130203 in words is "thirty-three million, one hundred thirty thousand, two hundred three".

Divisors: 1 3 11043401 33130203