Base | Representation |
---|---|
bin | 100011111110101… |
… | …1000110011101000 |
3 | 10010010200220120211 |
4 | 1013331120303220 |
5 | 4433030242403 |
6 | 315444030504 |
7 | 41626444252 |
oct | 10775306350 |
9 | 3103626524 |
10 | 1207274728 |
11 | 56a525410 |
12 | 298392434 |
13 | 16317075a |
14 | b64a4cd2 |
15 | 70ec606d |
hex | 47f58ce8 |
1207274728 has 32 divisors (see below), whose sum is σ = 2474543520. Its totient is φ = 547624000.
The previous prime is 1207274681. The next prime is 1207274741. The reversal of 1207274728 is 8274727021.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29238 + ... + 57178.
It is an arithmetic number, because the mean of its divisors is an integer number (77329485).
Almost surely, 21207274728 is an apocalyptic number.
It is an amenable number.
1207274728 is an abundant number, since it is smaller than the sum of its proper divisors (1267268792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1207274728 is a wasteful number, since it uses less digits than its factorization.
1207274728 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28449 (or 28445 counting only the distinct ones).
The product of its (nonzero) digits is 87808, while the sum is 40.
The square root of 1207274728 is about 34745.8591489691. The cubic root of 1207274728 is about 1064.8016199813.
The spelling of 1207274728 in words is "one billion, two hundred seven million, two hundred seventy-four thousand, seven hundred twenty-eight".
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