Base | Representation |
---|---|
bin | 100100010111100… |
… | …1001110010011110 |
3 | 10011001020200220101 |
4 | 1020233021302132 |
5 | 4444400223124 |
6 | 321031411314 |
7 | 42145360315 |
oct | 11057116236 |
9 | 3131220811 |
10 | 1220320414 |
11 | 576925875 |
12 | 2a0823b3a |
13 | 165a8a6b1 |
14 | b80dd27c |
15 | 72201644 |
hex | 48bc9c9e |
1220320414 has 8 divisors (see below), whose sum is σ = 1855555920. Its totient is φ = 601801776.
The previous prime is 1220320411. The next prime is 1220320427. The reversal of 1220320414 is 4140230221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1220320391 and 1220320400.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220320411) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4179034 + ... + 4179325.
It is an arithmetic number, because the mean of its divisors is an integer number (231944490).
Almost surely, 21220320414 is an apocalyptic number.
1220320414 is a deficient number, since it is larger than the sum of its proper divisors (635235506).
1220320414 is an equidigital number, since it uses as much as digits as its factorization.
1220320414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8358434.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 1220320414 is about 34933.0848050956. The cubic root of 1220320414 is about 1068.6232661916.
Adding to 1220320414 its reverse (4140230221), we get a palindrome (5360550635).
The spelling of 1220320414 in words is "one billion, two hundred twenty million, three hundred twenty thousand, four hundred fourteen".
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