Base | Representation |
---|---|
bin | 100101000100010100001 |
3 | 2021201011010 |
4 | 10220202201 |
5 | 302332000 |
6 | 42011133 |
7 | 13216116 |
oct | 4504241 |
9 | 2251133 |
10 | 1214625 |
11 | 75a625 |
12 | 4a6aa9 |
13 | 336b19 |
14 | 23890d |
15 | 18ed50 |
hex | 1288a1 |
1214625 has 32 divisors (see below), whose sum is σ = 2096640. Its totient is φ = 624000.
The previous prime is 1214623. The next prime is 1214639. The reversal of 1214625 is 5264121.
1214625 is nontrivially palindromic in base 4.
It is not a de Polignac number, because 1214625 - 21 = 1214623 is a prime.
1214625 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (1214623) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15336 + ... + 15414.
It is an arithmetic number, because the mean of its divisors is an integer number (65520).
21214625 is an apocalyptic number.
1214625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1214625 is a deficient number, since it is larger than the sum of its proper divisors (882015).
1214625 is an equidigital number, since it uses as much as digits as its factorization.
1214625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 138 (or 128 counting only the distinct ones).
The product of its digits is 480, while the sum is 21.
The square root of 1214625 is about 1102.1002676708. The cubic root of 1214625 is about 106.6958199393.
Adding to 1214625 its reverse (5264121), we get a palindrome (6478746).
The spelling of 1214625 in words is "one million, two hundred fourteen thousand, six hundred twenty-five".
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