Base | Representation |
---|---|
bin | 11101000010110… |
… | …101001001111001 |
3 | 1020221220110020120 |
4 | 131002311021321 |
5 | 1444221000043 |
6 | 120204043453 |
7 | 15034552053 |
oct | 3502651171 |
9 | 1227813216 |
10 | 487281273 |
11 | 23006a6a6 |
12 | 117233589 |
13 | 79c50c1b |
14 | 48a048d3 |
15 | 2cba4983 |
hex | 1d0b5279 |
487281273 has 16 divisors (see below), whose sum is σ = 654863616. Its totient is φ = 322286720.
The previous prime is 487281271. The next prime is 487281293. The reversal of 487281273 is 372182784.
It is a cyclic number.
It is not a de Polignac number, because 487281273 - 21 = 487281271 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (487281271) 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, 253765 + ... + 255677.
It is an arithmetic number, because the mean of its divisors is an integer number (40928976).
Almost surely, 2487281273 is an apocalyptic number.
It is an amenable number.
487281273 is a deficient number, since it is larger than the sum of its proper divisors (167582343).
487281273 is a wasteful number, since it uses less digits than its factorization.
487281273 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2544.
The product of its digits is 150528, while the sum is 42.
The square root of 487281273 is about 22074.4484189300. The cubic root of 487281273 is about 786.9127348539.
The spelling of 487281273 in words is "four hundred eighty-seven million, two hundred eighty-one thousand, two hundred seventy-three".
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