Base | Representation |
---|---|
bin | 10011011101110… |
… | …00100110110110 |
3 | 102101020202111112 |
4 | 21232320212312 |
5 | 313300113210 |
6 | 24111435022 |
7 | 4021621550 |
oct | 1156704666 |
9 | 371222445 |
10 | 163285430 |
11 | 84196840 |
12 | 46825a72 |
13 | 27aa0cc9 |
14 | 179864d0 |
15 | e505d05 |
hex | 9bb89b6 |
163285430 has 64 divisors (see below), whose sum is σ = 385758720. Its totient is φ = 48211200.
The previous prime is 163285427. The next prime is 163285433. The reversal of 163285430 is 34582361.
It is an interprime number because it is at equal distance from previous prime (163285427) and next prime (163285433).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163285433) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9050 + ... + 20210.
It is an arithmetic number, because the mean of its divisors is an integer number (6027480).
Almost surely, 2163285430 is an apocalyptic number.
163285430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
163285430 is an abundant number, since it is smaller than the sum of its proper divisors (222473290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163285430 is a wasteful number, since it uses less digits than its factorization.
163285430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11205.
The product of its (nonzero) digits is 17280, while the sum is 32.
The square root of 163285430 is about 12778.3187470027. The cubic root of 163285430 is about 546.5742213464.
The spelling of 163285430 in words is "one hundred sixty-three million, two hundred eighty-five thousand, four hundred thirty".
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