Base | Representation |
---|---|
bin | 100101000010101110110 |
3 | 2021200001002 |
4 | 10220111312 |
5 | 302320224 |
6 | 42003302 |
7 | 13213550 |
oct | 4502566 |
9 | 2250032 |
10 | 1213814 |
11 | 759a58 |
12 | 4a6532 |
13 | 336644 |
14 | 2384d0 |
15 | 18e9ae |
hex | 128576 |
1213814 has 16 divisors (see below), whose sum is σ = 2095008. Its totient is φ = 516672.
The previous prime is 1213801. The next prime is 1213829. The reversal of 1213814 is 4183121.
It is a zygodrome in base 13.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722 + ... + 4034.
It is an arithmetic number, because the mean of its divisors is an integer number (130938).
21213814 is an apocalyptic number.
1213814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1213814 is a deficient number, since it is larger than the sum of its proper divisors (881194).
1213814 is a wasteful number, since it uses less digits than its factorization.
1213814 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 599.
The product of its digits is 192, while the sum is 20.
The square root of 1213814 is about 1101.7322723784. The cubic root of 1213814 is about 106.6720678689.
Adding to 1213814 its reverse (4183121), we get a palindrome (5396935).
The spelling of 1213814 in words is "one million, two hundred thirteen thousand, eight hundred fourteen".
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