Base | Representation |
---|---|
bin | 100110110100… |
… | …0010011010000 |
3 | 1102021220011122 |
4 | 1031220103100 |
5 | 20202201120 |
6 | 2004101412 |
7 | 334654625 |
oct | 115502320 |
9 | 42256148 |
10 | 20350160 |
11 | 1053a416 |
12 | 6994868 |
13 | 42a691c |
14 | 29ba34c |
15 | 1bbea25 |
hex | 13684d0 |
20350160 has 20 divisors (see below), whose sum is σ = 47314308. Its totient is φ = 8140032.
The previous prime is 20350129. The next prime is 20350171. The reversal of 20350160 is 6105302.
It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 4700224 = 3956^2 + 2168^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a congruent 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, 127109 + ... + 127268.
Almost surely, 220350160 is an apocalyptic number.
20350160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20350160 is an abundant number, since it is smaller than the sum of its proper divisors (26964148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20350160 is a wasteful number, since it uses less digits than its factorization.
20350160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254390 (or 254384 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 17.
The square root of 20350160 is about 4511.1151614651. The cubic root of 20350160 is about 273.0167396606.
Adding to 20350160 its reverse (6105302), we get a palindrome (26455462).
The spelling of 20350160 in words is "twenty million, three hundred fifty thousand, one hundred sixty".
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