Base | Representation |
---|---|
bin | 101011111000110101101 |
3 | 2201001201220 |
4 | 11133012231 |
5 | 332010000 |
6 | 50453553 |
7 | 15136533 |
oct | 5370655 |
9 | 2631656 |
10 | 1438125 |
11 | 8a2537 |
12 | 5942b9 |
13 | 3b4780 |
14 | 296153 |
15 | 1d61a0 |
hex | 15f1ad |
1438125 has 40 divisors (see below), whose sum is σ = 2624160. Its totient is φ = 696000.
The previous prime is 1438123. The next prime is 1438159. The reversal of 1438125 is 5218341.
It is not a de Polignac number, because 1438125 - 21 = 1438123 is a prime.
It is an alternating number because its digits alternate between odd and even.
Its product of digits (960) is a multiple of the sum of its prime divisors (80).
It is a junction number, because it is equal to n+sod(n) for n = 1438095 and 1438104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1438123) 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 39 ways as a sum of consecutive naturals, for example, 24346 + ... + 24404.
It is an arithmetic number, because the mean of its divisors is an integer number (65604).
21438125 is an apocalyptic number.
1438125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1438125 is a deficient number, since it is larger than the sum of its proper divisors (1186035).
1438125 is an equidigital number, since it uses as much as digits as its factorization.
1438125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 95 (or 80 counting only the distinct ones).
The product of its digits is 960, while the sum is 24.
The square root of 1438125 is about 1199.2184955211. The cubic root of 1438125 is about 112.8752898845.
The spelling of 1438125 in words is "one million, four hundred thirty-eight thousand, one hundred twenty-five".
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