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531950228 = 22266349939
BaseRepresentation
bin11111101101001…
…110101010010100
31101001221212112022
4133231032222110
52042134401403
6124441312312
716116334205
oct3755165224
91331855468
10531950228
112532aa097
1212a195698
1386290964
14509115ac
1531a79d38
hex1fb4ea94

531950228 has 12 divisors (see below), whose sum is σ = 931281120. Its totient is φ = 265869912.

The previous prime is 531950203. The next prime is 531950257. The reversal of 531950228 is 822059135.

It is a congruent number.

It is an unprimeable number.

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, 14318 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (77606760).

Almost surely, 2531950228 is an apocalyptic number.

It is an amenable number.

531950228 is a deficient number, since it is larger than the sum of its proper divisors (399330892).

531950228 is a wasteful number, since it uses less digits than its factorization.

531950228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52606 (or 52604 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 531950228 is about 23064.0462191698. The cubic root of 531950228 is about 810.2586320371.

The spelling of 531950228 in words is "five hundred thirty-one million, nine hundred fifty thousand, two hundred twenty-eight".

Divisors: 1 2 4 2663 5326 10652 49939 99878 199756 132987557 265975114 531950228