Base | Representation |
---|---|
bin | 101101001101010101001 |
3 | 2210021002010 |
4 | 11221222221 |
5 | 334401020 |
6 | 51430133 |
7 | 15406623 |
oct | 5515251 |
9 | 2707063 |
10 | 1481385 |
11 | 921a94 |
12 | 5b5349 |
13 | 3cb379 |
14 | 2a7c13 |
15 | 1e3de0 |
hex | 169aa9 |
1481385 has 16 divisors (see below), whose sum is σ = 2410560. Its totient is φ = 776640.
The previous prime is 1481377. The next prime is 1481387. The reversal of 1481385 is 5831841.
It is not a de Polignac number, because 1481385 - 23 = 1481377 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1481387) by changing a digit.
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, 106 + ... + 1724.
It is an arithmetic number, because the mean of its divisors is an integer number (150660).
21481385 is an apocalyptic number.
1481385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1481385 is a deficient number, since it is larger than the sum of its proper divisors (929175).
1481385 is a wasteful number, since it uses less digits than its factorization.
1481385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1688.
The product of its digits is 3840, while the sum is 30.
The square root of 1481385 is about 1217.1216044422. The cubic root of 1481385 is about 113.9959216762.
The spelling of 1481385 in words is "one million, four hundred eighty-one thousand, three hundred eighty-five".
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