Search a number
-
+
8000228 = 222386959
BaseRepresentation
bin11110100001001011100100
3120001110020202
4132201023210
54022001403
6443250032
7125000165
oct36411344
916043222
108000228
114574765
122819918
131871582
1410c376c
15a80688
hex7a12e4

8000228 has 12 divisors (see below), whose sum is σ = 14609280. Its totient is φ = 3826152.

The previous prime is 8000221. The next prime is 8000231. The reversal of 8000228 is 8220008.

It is not an unprimeable number, because it can be changed into a prime (8000221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43388 + ... + 43571.

It is an arithmetic number, because the mean of its divisors is an integer number (1217440).

Almost surely, 28000228 is an apocalyptic number.

It is an amenable number.

8000228 is a deficient number, since it is larger than the sum of its proper divisors (6609052).

8000228 is a wasteful number, since it uses less digits than its factorization.

8000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86986 (or 86984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 8000228 is about 2828.4674295455. The cubic root of 8000228 is about 200.0018999820.

It can be divided in two parts, 8000 and 228, that added together give a palindrome (8228).

The spelling of 8000228 in words is "eight million, two hundred twenty-eight", and thus it is an aban number.

Divisors: 1 2 4 23 46 92 86959 173918 347836 2000057 4000114 8000228