Base | Representation |
---|---|
bin | 1011010111110… |
… | …1101000011001 |
3 | 10022202102210101 |
4 | 2311331220121 |
5 | 44202404010 |
6 | 4422215401 |
7 | 1116306346 |
oct | 265755031 |
9 | 108672711 |
10 | 47700505 |
11 | 24a20106 |
12 | 13b84561 |
13 | 9b61868 |
14 | 64997cd |
15 | 42c373a |
hex | 2d7da19 |
47700505 has 16 divisors (see below), whose sum is σ = 61793280. Its totient is φ = 35240128.
The previous prime is 47700503. The next prime is 47700517. The reversal of 47700505 is 50500774.
It is a cyclic number.
It is not a de Polignac number, because 47700505 - 21 = 47700503 is a prime.
It is not an unprimeable number, because it can be changed into a prime (47700503) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3817 + ... + 10486.
It is an arithmetic number, because the mean of its divisors is an integer number (3862080).
Almost surely, 247700505 is an apocalyptic number.
It is an amenable number.
47700505 is a deficient number, since it is larger than the sum of its proper divisors (14092775).
47700505 is a wasteful number, since it uses less digits than its factorization.
47700505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14360.
The product of its (nonzero) digits is 4900, while the sum is 28.
The square root of 47700505 is about 6906.5552194998. Note that the first 3 decimals coincide. The cubic root of 47700505 is about 362.6666819665. Note that the first 4 decimals are identical.
It can be divided in two parts, 47700 and 505, that added together give a triangular number (48205 = T310).
The spelling of 47700505 in words is "forty-seven million, seven hundred thousand, five hundred five".
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