Base | Representation |
---|---|
bin | 101011011001011… |
… | …000111101001001 |
3 | 1212202000002122200 |
4 | 223121120331021 |
5 | 2442341413410 |
6 | 200125110413 |
7 | 24020354601 |
oct | 5331307511 |
9 | 1782002580 |
10 | 728076105 |
11 | 343a86399 |
12 | 1839b8409 |
13 | b7abc783 |
14 | 6c9a5c01 |
15 | 43dbb3c0 |
hex | 2b658f49 |
728076105 has 48 divisors (see below), whose sum is σ = 1353568320. Its totient is φ = 360906624.
The previous prime is 728076071. The next prime is 728076149. The reversal of 728076105 is 501670827.
It is not a de Polignac number, because 728076105 - 213 = 728067913 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 728076105.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37282 + ... + 53348.
It is an arithmetic number, because the mean of its divisors is an integer number (28199340).
Almost surely, 2728076105 is an apocalyptic number.
It is an amenable number.
728076105 is a deficient number, since it is larger than the sum of its proper divisors (625492215).
728076105 is a wasteful number, since it uses less digits than its factorization.
728076105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16150 (or 16147 counting only the distinct ones).
The product of its (nonzero) digits is 23520, while the sum is 36.
The square root of 728076105 is about 26982.8854090885. The cubic root of 728076105 is about 899.6196355666.
The spelling of 728076105 in words is "seven hundred twenty-eight million, seventy-six thousand, one hundred five".
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