Base | Representation |
---|---|
bin | 100101010001110001010 |
3 | 2022001121021 |
4 | 10222032022 |
5 | 303042024 |
6 | 42103054 |
7 | 13245160 |
oct | 4521612 |
9 | 2261537 |
10 | 1221514 |
11 | 764818 |
12 | 4aaa8a |
13 | 339cb8 |
14 | 23b230 |
15 | 191de4 |
hex | 12a38a |
1221514 has 8 divisors (see below), whose sum is σ = 2094048. Its totient is φ = 523500.
The previous prime is 1221503. The next prime is 1221523. The reversal of 1221514 is 4151221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43612 + ... + 43639.
It is an arithmetic number, because the mean of its divisors is an integer number (261756).
21221514 is an apocalyptic number.
1221514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
1221514 is a deficient number, since it is larger than the sum of its proper divisors (872534).
1221514 is an equidigital number, since it uses as much as digits as its factorization.
1221514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87260.
The product of its digits is 80, while the sum is 16.
The square root of 1221514 is about 1105.2212448193. The cubic root of 1221514 is about 106.8971556725.
Adding to 1221514 its reverse (4151221), we get a palindrome (5372735).
The spelling of 1221514 in words is "one million, two hundred twenty-one thousand, five hundred fourteen".
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