Search a number
-
+
33219133 = 142723279
BaseRepresentation
bin111111010111…
…0001000111101
32022111201002021
41332232020331
532001003013
63144000141
7552233533
oct176561075
968451067
1033219133
111782a032
12b160051
136b612bc
1445aa153
152db2a8d
hex1fae23d

33219133 has 4 divisors (see below), whose sum is σ = 33243840. Its totient is φ = 33194428.

The previous prime is 33219127. The next prime is 33219157. The reversal of 33219133 is 33191233.

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: 33191233 = 191746907.

It is a cyclic number.

It is not a de Polignac number, because 33219133 - 29 = 33218621 is a prime.

It is a super-2 number, since 2×332191332 = 2207021594543378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33219098 and 33219107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33219233) 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, 10213 + ... + 13066.

It is an arithmetic number, because the mean of its divisors is an integer number (8310960).

Almost surely, 233219133 is an apocalyptic number.

It is an amenable number.

33219133 is a deficient number, since it is larger than the sum of its proper divisors (24707).

33219133 is a wasteful number, since it uses less digits than its factorization.

33219133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706.

The product of its digits is 1458, while the sum is 25.

The square root of 33219133 is about 5763.6041675327. The cubic root of 33219133 is about 321.4618436481.

The spelling of 33219133 in words is "thirty-three million, two hundred nineteen thousand, one hundred thirty-three".

Divisors: 1 1427 23279 33219133