Search a number
-
+
534223881 = 3259358209
BaseRepresentation
bin11111110101111…
…001110000001001
31101020020101101200
4133311321300021
52043230131011
6125002134413
716144554012
oct3765716011
91336211350
10534223881
11254612344
1212aab1409
13868a8809
1450d44009
1531d78856
hex1fd79c09

534223881 has 6 divisors (see below), whose sum is σ = 771656730. Its totient is φ = 356149248.

The previous prime is 534223867. The next prime is 534223883. The reversal of 534223881 is 188322435.

534223881 is a `hidden beast` number, since 5 + 342 + 238 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 513430281 + 20793600 = 22659^2 + 4560^2 .

It is a de Polignac number, because none of the positive numbers 2k-534223881 is a prime.

It is a super-2 number, since 2×5342238812 = 570790310061404322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (534223883) 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 5 ways as a sum of consecutive naturals, for example, 29679096 + ... + 29679113.

It is an arithmetic number, because the mean of its divisors is an integer number (128609455).

Almost surely, 2534223881 is an apocalyptic number.

It is an amenable number.

534223881 is a deficient number, since it is larger than the sum of its proper divisors (237432849).

534223881 is a wasteful number, since it uses less digits than its factorization.

534223881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59358215 (or 59358212 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 534223881 is about 23113.2836481535. The cubic root of 534223881 is about 811.4113893108.

The spelling of 534223881 in words is "five hundred thirty-four million, two hundred twenty-three thousand, eight hundred eighty-one".

Divisors: 1 3 9 59358209 178074627 534223881