Base | Representation |
---|---|
bin | 100101001111011000111 |
3 | 2021222221010 |
4 | 10221323013 |
5 | 303022140 |
6 | 42053303 |
7 | 13241466 |
oct | 4517307 |
9 | 2258833 |
10 | 1220295 |
11 | 76390a |
12 | 4aa233 |
13 | 33958b |
14 | 23a9dd |
15 | 191880 |
hex | 129ec7 |
1220295 has 8 divisors (see below), whose sum is σ = 1952496. Its totient is φ = 650816.
The previous prime is 1220257. The next prime is 1220309. The reversal of 1220295 is 5920221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1220295 - 29 = 1219783 is a prime.
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, 40662 + ... + 40691.
It is an arithmetic number, because the mean of its divisors is an integer number (244062).
21220295 is an apocalyptic number.
1220295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1220295 is a deficient number, since it is larger than the sum of its proper divisors (732201).
1220295 is an equidigital number, since it uses as much as digits as its factorization.
1220295 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81361.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 1220295 is about 1104.6696338725. The cubic root of 1220295 is about 106.8615847872.
The spelling of 1220295 in words is "one million, two hundred twenty thousand, two hundred ninety-five".
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