Base | Representation |
---|---|
bin | 100111001101110111000 |
3 | 2102021202101 |
4 | 10321232320 |
5 | 312110143 |
6 | 43313144 |
7 | 13631332 |
oct | 4715670 |
9 | 2367671 |
10 | 1285048 |
11 | 7a8526 |
12 | 51b7b4 |
13 | 35cbab |
14 | 256452 |
15 | 1a5b4d |
hex | 139bb8 |
1285048 has 24 divisors (see below), whose sum is σ = 2508480. Its totient is φ = 617120.
The previous prime is 1285021. The next prime is 1285049. The reversal of 1285048 is 8405821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1285049) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6633 + ... + 6823.
It is an arithmetic number, because the mean of its divisors is an integer number (104520).
21285048 is an apocalyptic number.
It is an amenable number.
1285048 is a deficient number, since it is larger than the sum of its proper divisors (1223432).
1285048 is a wasteful number, since it uses less digits than its factorization.
1285048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255 (or 222 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 28.
The square root of 1285048 is about 1133.5995765701. The cubic root of 1285048 is about 108.7192505656.
The spelling of 1285048 in words is "one million, two hundred eighty-five thousand, forty-eight".
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