Base | Representation |
---|---|
bin | 10000110100011… |
… | …001101010000111 |
3 | 201122221211021021 |
4 | 100310121222013 |
5 | 1034214001124 |
6 | 43555532011 |
7 | 6664265002 |
oct | 2064315207 |
9 | 648854237 |
10 | 282172039 |
11 | 135308036 |
12 | 7a5ba007 |
13 | 465c8206 |
14 | 29692539 |
15 | 19b8b7e4 |
hex | 10d19a87 |
282172039 has 6 divisors (see below), whose sum is σ = 284248664. Its totient is φ = 280098300.
The previous prime is 282172019. The next prime is 282172081. The reversal of 282172039 is 930271282.
It is a de Polignac number, because none of the positive numbers 2k-282172039 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 282171995 and 282172013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (282172019) 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 5 ways as a sum of consecutive naturals, for example, 205734 + ... + 207100.
Almost surely, 2282172039 is an apocalyptic number.
282172039 is a deficient number, since it is larger than the sum of its proper divisors (2076625).
282172039 is an frugal number, since it uses more digits than its factorization.
282172039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2885 (or 1518 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 34.
The square root of 282172039 is about 16797.9772294166. The cubic root of 282172039 is about 655.9005455699.
The spelling of 282172039 in words is "two hundred eighty-two million, one hundred seventy-two thousand, thirty-nine".
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