Search a number
-
+
228832672 = 257151021
BaseRepresentation
bin11011010001110…
…11010110100000
3120221120220102011
431220323112200
5432040121142
634412402304
75446021435
oct1550732640
9527526364
10228832672
11108196412
1264776394
1338540b63
1422569b8c
1515152417
hexda3b5a0

228832672 has 12 divisors (see below), whose sum is σ = 450514386. Its totient is φ = 114416320.

The previous prime is 228832663. The next prime is 228832673. The reversal of 228832672 is 276238822.

228832672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 175191696 + 53640976 = 13236^2 + 7324^2 .

It is not an unprimeable number, because it can be changed into a prime (228832673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3575479 + ... + 3575542.

Almost surely, 2228832672 is an apocalyptic number.

It is an amenable number.

228832672 is a deficient number, since it is larger than the sum of its proper divisors (221681714).

228832672 is an equidigital number, since it uses as much as digits as its factorization.

228832672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151031 (or 7151023 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 228832672 is about 15127.2162673772. The cubic root of 228832672 is about 611.6542681085.

The spelling of 228832672 in words is "two hundred twenty-eight million, eight hundred thirty-two thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 32 7151021 14302042 28604084 57208168 114416336 228832672