Search a number
-
+
228324468 = 22319027039
BaseRepresentation
bin11011001101111…
…11010001110100
3120220122002021210
431212333101310
5431422340333
634353441420
75441504001
oct1546772164
9526562253
10228324468
11107979609
1264570270
13383c3748
14224768a8
15150a1a63
hexd9bf474

228324468 has 12 divisors (see below), whose sum is σ = 532757120. Its totient is φ = 76108152.

The previous prime is 228324461. The next prime is 228324469. The reversal of 228324468 is 864423822.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228324461) 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, 9513508 + ... + 9513531.

Almost surely, 2228324468 is an apocalyptic number.

It is an amenable number.

228324468 is an abundant number, since it is smaller than the sum of its proper divisors (304432652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228324468 is a wasteful number, since it uses less digits than its factorization.

228324468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19027046 (or 19027044 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 228324468 is about 15110.4092598447. The cubic root of 228324468 is about 611.2011341785.

The spelling of 228324468 in words is "two hundred twenty-eight million, three hundred twenty-four thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 19027039 38054078 57081117 76108156 114162234 228324468