Base | Representation |
---|---|
bin | 101101010100110010101 |
3 | 2210110022121 |
4 | 11222212111 |
5 | 340011310 |
6 | 51455541 |
7 | 15424021 |
oct | 5524625 |
9 | 2713277 |
10 | 1485205 |
11 | 924947 |
12 | 5b75b1 |
13 | 400027 |
14 | 2a9381 |
15 | 1e50da |
hex | 16a995 |
1485205 has 16 divisors (see below), whose sum is σ = 1916784. Its totient is φ = 1100800.
The previous prime is 1485199. The next prime is 1485221. The reversal of 1485205 is 5025841.
It can be written as a sum of positive squares in 8 ways, for example, as 487204 + 998001 = 698^2 + 999^2 .
It is a de Polignac number, because none of the positive numbers 2k-1485205 is a prime.
1485205 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 1485205.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8499 + ... + 8671.
It is an arithmetic number, because the mean of its divisors is an integer number (119799).
21485205 is an apocalyptic number.
It is an amenable number.
1485205 is a deficient number, since it is larger than the sum of its proper divisors (431579).
1485205 is a wasteful number, since it uses less digits than its factorization.
1485205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 296.
The product of its (nonzero) digits is 1600, while the sum is 25.
The square root of 1485205 is about 1218.6898703116. The cubic root of 1485205 is about 114.0938234483.
The spelling of 1485205 in words is "one million, four hundred eighty-five thousand, two hundred five".
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