Base | Representation |
---|---|
bin | 100011110001010… |
… | …0000100111001000 |
3 | 10002122102221101211 |
4 | 1013202200213020 |
5 | 4424224310213 |
6 | 315033022504 |
7 | 41512530232 |
oct | 10742404710 |
9 | 3078387354 |
10 | 1200228808 |
11 | 566552739 |
12 | 295b54a34 |
13 | 16187467c |
14 | b558d252 |
15 | 7058353d |
hex | 478a09c8 |
1200228808 has 8 divisors (see below), whose sum is σ = 2250429030. Its totient is φ = 600114400.
The previous prime is 1200228791. The next prime is 1200228811. The reversal of 1200228808 is 8088220021.
It can be written as a sum of positive squares in only one way, i.e., 816930724 + 383298084 = 28582^2 + 19578^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a self number, because there is not a number n which added to its sum of digits gives 1200228808.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75014293 + ... + 75014308.
Almost surely, 21200228808 is an apocalyptic number.
It is an amenable number.
1200228808 is a deficient number, since it is larger than the sum of its proper divisors (1050200222).
1200228808 is a wasteful number, since it uses less digits than its factorization.
1200228808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 150028607 (or 150028603 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 31.
The square root of 1200228808 is about 34644.3185529749. The cubic root of 1200228808 is about 1062.7261051076.
Adding to 1200228808 its reverse (8088220021), we get a palindrome (9288448829).
The spelling of 1200228808 in words is "one billion, two hundred million, two hundred twenty-eight thousand, eight hundred eight".
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