Base | Representation |
---|---|
bin | 10011011101010… |
… | …11001010010011 |
3 | 102101010221221201 |
4 | 21232223022103 |
5 | 313241332410 |
6 | 24110332031 |
7 | 4021302151 |
oct | 1156531223 |
9 | 371127851 |
10 | 163230355 |
11 | 84159422 |
12 | 467ba017 |
13 | 27a81c12 |
14 | 179703d1 |
15 | e4e483a |
hex | 9bab293 |
163230355 has 4 divisors (see below), whose sum is σ = 195876432. Its totient is φ = 130584280.
The previous prime is 163230343. The next prime is 163230391. The reversal of 163230355 is 553032361.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553032361 = 7 ⋅79004623.
It is not a de Polignac number, because 163230355 - 27 = 163230227 is a prime.
It is a Duffinian number.
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, 16323031 + ... + 16323040.
It is an arithmetic number, because the mean of its divisors is an integer number (48969108).
Almost surely, 2163230355 is an apocalyptic number.
163230355 is a deficient number, since it is larger than the sum of its proper divisors (32646077).
163230355 is an equidigital number, since it uses as much as digits as its factorization.
163230355 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32646076.
The product of its (nonzero) digits is 8100, while the sum is 28.
The square root of 163230355 is about 12776.1635477948. The cubic root of 163230355 is about 546.5127625860.
The spelling of 163230355 in words is "one hundred sixty-three million, two hundred thirty thousand, three hundred fifty-five".
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