Base | Representation |
---|---|
bin | 100110111010… |
… | …1000001111101 |
3 | 1102101112200210 |
4 | 1031311001331 |
5 | 20210333201 |
6 | 2005143033 |
7 | 335262633 |
oct | 115650175 |
9 | 42345623 |
10 | 20402301 |
11 | 10575607 |
12 | 69baa79 |
13 | 42c458a |
14 | 29d1353 |
15 | 1bd01d6 |
hex | 137507d |
20402301 has 8 divisors (see below), whose sum is σ = 27483904. Its totient is φ = 13461120.
The previous prime is 20402287. The next prime is 20402321. The reversal of 20402301 is 10320402.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20402301 - 25 = 20402269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20402321) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34765 + ... + 35346.
It is an arithmetic number, because the mean of its divisors is an integer number (3435488).
Almost surely, 220402301 is an apocalyptic number.
It is an amenable number.
20402301 is a deficient number, since it is larger than the sum of its proper divisors (7081603).
20402301 is an equidigital number, since it uses as much as digits as its factorization.
20402301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70211.
The product of its (nonzero) digits is 48, while the sum is 12.
The square root of 20402301 is about 4516.8906340535. The cubic root of 20402301 is about 273.2497144905.
Adding to 20402301 its reverse (10320402), we get a palindrome (30722703).
The spelling of 20402301 in words is "twenty million, four hundred two thousand, three hundred one".
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