Search a number
-
+
1200302228 = 222975713669
BaseRepresentation
bin100011110001011…
…0010100010010100
310002122120200010002
41013202302202110
54424234132403
6315034350432
741513254256
oct10742624224
93078520102
101200302228
115665a2914
12295b8b418
1316189bc08
14b55abcd6
157059a188
hex478b2894

1200302228 has 24 divisors (see below), whose sum is σ = 2175990600. Its totient is φ = 578648448.

The previous prime is 1200302227. The next prime is 1200302231. The reversal of 1200302228 is 8222030021.

It can be written as a sum of positive squares in 4 ways, for example, as 379938064 + 820364164 = 19492^2 + 28642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200302227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80978 + ... + 94646.

It is an arithmetic number, because the mean of its divisors is an integer number (90666275).

Almost surely, 21200302228 is an apocalyptic number.

It is an amenable number.

1200302228 is a deficient number, since it is larger than the sum of its proper divisors (975688372).

1200302228 is a wasteful number, since it uses less digits than its factorization.

1200302228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14459 (or 14457 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1200302228 is about 34645.3781621734. The cubic root of 1200302228 is about 1062.7477742424.

Adding to 1200302228 its reverse (8222030021), we get a palindrome (9422332249).

The spelling of 1200302228 in words is "one billion, two hundred million, three hundred two thousand, two hundred twenty-eight".

Divisors: 1 2 4 29 58 116 757 1514 3028 13669 21953 27338 43906 54676 87812 396401 792802 1585604 10347433 20694866 41389732 300075557 600151114 1200302228