Base | Representation |
---|---|
bin | 100111000001… |
… | …1001010000000 |
3 | 1102111111001201 |
4 | 1032003022000 |
5 | 20214211120 |
6 | 2010310544 |
7 | 335623420 |
oct | 116031200 |
9 | 42444051 |
10 | 20460160 |
11 | 10605026 |
12 | 6a28454 |
13 | 4314a06 |
14 | 2a08480 |
15 | 1be240a |
hex | 1383280 |
20460160 has 64 divisors (see below), whose sum is σ = 55912320. Its totient is φ = 7013376.
The previous prime is 20460157. The next prime is 20460199. The reversal of 20460160 is 6106402.
It is a tau number, because it is divible by the number of its divisors (64).
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, 2197 + ... + 6763.
It is an arithmetic number, because the mean of its divisors is an integer number (873630).
Almost surely, 220460160 is an apocalyptic number.
20460160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20460160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27956160).
20460160 is an abundant number, since it is smaller than the sum of its proper divisors (35452160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20460160 is an equidigital number, since it uses as much as digits as its factorization.
20460160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4593 (or 4581 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 20460160 is about 4523.2908374324. The cubic root of 20460160 is about 273.5077741664.
Adding to 20460160 its reverse (6106402), we get a palindrome (26566562).
The spelling of 20460160 in words is "twenty million, four hundred sixty thousand, one hundred sixty".
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