Base | Representation |
---|---|
bin | 10001000111010… |
… | …000110010111001 |
3 | 202000021000202110 |
4 | 101013100302321 |
5 | 1042000211343 |
6 | 44253522533 |
7 | 10054310160 |
oct | 2107206271 |
9 | 660230673 |
10 | 287116473 |
11 | 138084946 |
12 | 801a3449 |
13 | 47639907 |
14 | 2a1bc3d7 |
15 | 1a316833 |
hex | 111d0cb9 |
287116473 has 8 divisors (see below), whose sum is σ = 437510848. Its totient is φ = 164066544.
The previous prime is 287116469. The next prime is 287116493. The reversal of 287116473 is 374611782.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 287116473 - 22 = 287116469 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (287116493) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6836086 + ... + 6836127.
It is an arithmetic number, because the mean of its divisors is an integer number (54688856).
Almost surely, 2287116473 is an apocalyptic number.
It is an amenable number.
287116473 is a deficient number, since it is larger than the sum of its proper divisors (150394375).
287116473 is a wasteful number, since it uses less digits than its factorization.
287116473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13672223.
The product of its digits is 56448, while the sum is 39.
The square root of 287116473 is about 16944.5115893023. The cubic root of 287116473 is about 659.7094474069.
The spelling of 287116473 in words is "two hundred eighty-seven million, one hundred sixteen thousand, four hundred seventy-three".
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