Base | Representation |
---|---|
bin | 1100111001111000… |
… | …11110001011001001 |
3 | 122212211101011211100 |
4 | 12130330132023021 |
5 | 103142041041400 |
6 | 3103244252013 |
7 | 333453403614 |
oct | 63474361311 |
9 | 18784334740 |
10 | 6928065225 |
11 | 2a35791a44 |
12 | 1414241009 |
13 | 86543a8a3 |
14 | 49a19317b |
15 | 2a835a100 |
hex | 19cf1e2c9 |
6928065225 has 81 divisors (see below), whose sum is σ = 12894167559. Its totient is φ = 3555799200.
The previous prime is 6928065173. The next prime is 6928065239. The reversal of 6928065225 is 5225608296.
The square root of 6928065225 is 83235.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 2494103481 + 4433961744 = 49941^2 + 66588^2 .
It is not a de Polignac number, because 6928065225 - 29 = 6928064713 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is an unprimeable number.
It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 38704186 + ... + 38704364.
Almost surely, 26928065225 is an apocalyptic number.
6928065225 is the 83235-th square number.
6928065225 is the 41618-th centered octagonal number.
It is an amenable number.
6928065225 is a deficient number, since it is larger than the sum of its proper divisors (5966102334).
6928065225 is a wasteful number, since it uses less digits than its factorization.
6928065225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 436 (or 218 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 45.
The cubic root of 6928065225 is about 1906.3559280382.
The spelling of 6928065225 in words is "six billion, nine hundred twenty-eight million, sixty-five thousand, two hundred twenty-five".
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