Base | Representation |
---|---|
bin | 100101000100010100100 |
3 | 2021201011020 |
4 | 10220202210 |
5 | 302332003 |
6 | 42011140 |
7 | 13216122 |
oct | 4504244 |
9 | 2251136 |
10 | 1214628 |
11 | 75a628 |
12 | 4a6ab0 |
13 | 336b1c |
14 | 238912 |
15 | 18ed53 |
hex | 1288a4 |
1214628 has 24 divisors (see below), whose sum is σ = 2860032. Its totient is φ = 401184.
The previous prime is 1214623. The next prime is 1214639. The reversal of 1214628 is 8264121.
It is a junction number, because it is equal to n+sod(n) for n = 1214598 and 1214607.
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 7 ways as a sum of consecutive naturals, for example, 1126 + ... + 1922.
It is an arithmetic number, because the mean of its divisors is an integer number (119168).
21214628 is an apocalyptic number.
It is an amenable number.
1214628 is an abundant number, since it is smaller than the sum of its proper divisors (1645404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1214628 is a wasteful number, since it uses less digits than its factorization.
1214628 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 931 (or 929 counting only the distinct ones).
The product of its digits is 768, while the sum is 24.
The square root of 1214628 is about 1102.1016287076. The cubic root of 1214628 is about 106.6959077819.
Adding to 1214628 its reverse (8264121), we get a palindrome (9478749).
The spelling of 1214628 in words is "one million, two hundred fourteen thousand, six hundred twenty-eight".
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