Search a number
-
+
33029481 = 311009827
BaseRepresentation
bin111110111111…
…1110101101001
32022011001221010
41331333311221
531423420411
63135534133
7550513602
oct175776551
968131833
1033029481
111770a5a1
12b08a349
136ac5b94
14455ada9
152d767a6
hex1f7fd69

33029481 has 4 divisors (see below), whose sum is σ = 44039312. Its totient is φ = 22019652.

The previous prime is 33029443. The next prime is 33029483. The reversal of 33029481 is 18492033.

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.

It is not a de Polignac number, because 33029481 - 26 = 33029417 is a prime.

It is a super-2 number, since 2×330294812 = 2181893230258722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33029483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5504911 + ... + 5504916.

It is an arithmetic number, because the mean of its divisors is an integer number (11009828).

Almost surely, 233029481 is an apocalyptic number.

It is an amenable number.

33029481 is a deficient number, since it is larger than the sum of its proper divisors (11009831).

33029481 is a wasteful number, since it uses less digits than its factorization.

33029481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11009830.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 33029481 is about 5747.1280653906. The cubic root of 33029481 is about 320.8489210545.

The spelling of 33029481 in words is "thirty-three million, twenty-nine thousand, four hundred eighty-one".

Divisors: 1 3 11009827 33029481