Search a number
-
+
33482981 = 74783283
BaseRepresentation
bin111111110111…
…0100011100101
32100000010000102
41333232203211
532032423411
63153353445
7554413010
oct177564345
970003012
1033482981
111799a294
12b268885
136c2441c
144638377
152e15d3b
hex1fee8e5

33482981 has 4 divisors (see below), whose sum is σ = 38266272. Its totient is φ = 28699692.

The previous prime is 33482927. The next prime is 33482987. The reversal of 33482981 is 18928433.

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 33482981 - 210 = 33481957 is a prime.

It is a super-2 number, since 2×334829812 = 2242220033292722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33482987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2391635 + ... + 2391648.

It is an arithmetic number, because the mean of its divisors is an integer number (9566568).

Almost surely, 233482981 is an apocalyptic number.

It is an amenable number.

33482981 is a deficient number, since it is larger than the sum of its proper divisors (4783291).

33482981 is an equidigital number, since it uses as much as digits as its factorization.

33482981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783290.

The product of its digits is 41472, while the sum is 38.

The square root of 33482981 is about 5786.4480469456. The cubic root of 33482981 is about 322.3106867201.

The spelling of 33482981 in words is "thirty-three million, four hundred eighty-two thousand, nine hundred eighty-one".

Divisors: 1 7 4783283 33482981