Base | Representation |
---|---|
bin | 100110101110… |
… | …0010111111110 |
3 | 1102012102011101 |
4 | 1031130113332 |
5 | 20144120220 |
6 | 2003043314 |
7 | 334362331 |
oct | 115342776 |
9 | 42172141 |
10 | 20301310 |
11 | 10506747 |
12 | 697053a |
13 | 428a613 |
14 | 29a6618 |
15 | 1bb030a |
hex | 135c5fe |
20301310 has 32 divisors (see below), whose sum is σ = 39139200. Its totient is φ = 7558560.
The previous prime is 20301301. The next prime is 20301313. The reversal of 20301310 is 1310302.
It is a super-2 number, since 2×203013102 = 824286375432200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301313) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10305 + ... + 12115.
It is an arithmetic number, because the mean of its divisors is an integer number (1223100).
Almost surely, 220301310 is an apocalyptic number.
20301310 is a deficient number, since it is larger than the sum of its proper divisors (18837890).
20301310 is a wasteful number, since it uses less digits than its factorization.
20301310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1896.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 20301310 is about 4505.6975042717. The cubic root of 20301310 is about 272.7981082333.
Adding to 20301310 its reverse (1310302), we get a palindrome (21611612).
The spelling of 20301310 in words is "twenty million, three hundred one thousand, three hundred ten".
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