Search a number
-
+
1200228806 = 2785730629
BaseRepresentation
bin100011110001010…
…0000100111000110
310002122102221101202
41013202200213012
54424224310211
6315033022502
741512530230
oct10742404706
93078387352
101200228806
11566552737
12295b54a32
1316187467a
14b558d250
157058353b
hex478a09c6

1200228806 has 8 divisors (see below), whose sum is σ = 2057535120. Its totient is φ = 514383768.

The previous prime is 1200228791. The next prime is 1200228811. The reversal of 1200228806 is 6088220021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42865301 + ... + 42865328.

It is an arithmetic number, because the mean of its divisors is an integer number (257191890).

Almost surely, 21200228806 is an apocalyptic number.

1200228806 is a deficient number, since it is larger than the sum of its proper divisors (857306314).

1200228806 is an equidigital number, since it uses as much as digits as its factorization.

1200228806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85730638.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1200228806 is about 34644.3185241101. The cubic root of 1200228806 is about 1062.7261045173.

Adding to 1200228806 its reverse (6088220021), we get a palindrome (7288448827).

The spelling of 1200228806 in words is "one billion, two hundred million, two hundred twenty-eight thousand, eight hundred six".

Divisors: 1 2 7 14 85730629 171461258 600114403 1200228806