Base | Representation |
---|---|
bin | 100100000001110… |
… | …0100101011100001 |
3 | 10010020202021212021 |
4 | 1020003210223201 |
5 | 4433434134400 |
6 | 315542501441 |
7 | 41646306535 |
oct | 11003445341 |
9 | 3106667767 |
10 | 1208896225 |
11 | 570432699 |
12 | 298a34881 |
13 | 1635ba814 |
14 | b67a7bc5 |
15 | 711e671a |
hex | 480e4ae1 |
1208896225 has 6 divisors (see below), whose sum is σ = 1499031350. Its totient is φ = 967116960.
The previous prime is 1208896211. The next prime is 1208896229. The reversal of 1208896225 is 5226988021.
It can be written as a sum of positive squares in 3 ways, for example, as 109244304 + 1099651921 = 10452^2 + 33161^2 .
It is not a de Polignac number, because 1208896225 - 27 = 1208896097 is a prime.
It is a super-2 number, since 2×12088962252 = 2922860165638501250, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1208896229) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24177900 + ... + 24177949.
Almost surely, 21208896225 is an apocalyptic number.
It is an amenable number.
1208896225 is a deficient number, since it is larger than the sum of its proper divisors (290135125).
1208896225 is an equidigital number, since it uses as much as digits as its factorization.
1208896225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48355859 (or 48355854 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 43.
The square root of 1208896225 is about 34769.1849918861. The cubic root of 1208896225 is about 1065.2781202561.
The spelling of 1208896225 in words is "one billion, two hundred eight million, eight hundred ninety-six thousand, two hundred twenty-five".
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