Base | Representation |
---|---|
bin | 101100010010010… |
… | …1000100110101001 |
3 | 10211120011112201200 |
4 | 1120210220212221 |
5 | 11020403423010 |
6 | 403242034413 |
7 | 51552531105 |
oct | 13044504651 |
9 | 3746145650 |
10 | 1485998505 |
11 | 6a2897742 |
12 | 3557a8a09 |
13 | 1a8b2c274 |
14 | 1014da905 |
15 | 8a6d0cc0 |
hex | 589289a9 |
1485998505 has 24 divisors (see below), whose sum is σ = 2578816968. Its totient is φ = 791582976.
The previous prime is 1485998473. The next prime is 1485998519. The reversal of 1485998505 is 5058995841.
1485998505 is a `hidden beast` number, since 1 + 48 + 5 + 9 + 98 + 505 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 72539289 + 1413459216 = 8517^2 + 37596^2 .
It is not a de Polignac number, because 1485998505 - 25 = 1485998473 is a prime.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 19029 + ... + 57741.
It is an arithmetic number, because the mean of its divisors is an integer number (107450707).
Almost surely, 21485998505 is an apocalyptic number.
1485998505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1485998505 is a deficient number, since it is larger than the sum of its proper divisors (1092818463).
1485998505 is a wasteful number, since it uses less digits than its factorization.
1485998505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39577 (or 39574 counting only the distinct ones).
The product of its (nonzero) digits is 2592000, while the sum is 54.
The square root of 1485998505 is about 38548.6511437171. The cubic root of 1485998505 is about 1141.1413891562.
The spelling of 1485998505 in words is "one billion, four hundred eighty-five million, nine hundred ninety-eight thousand, five hundred five".
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