Search a number
-
+
20303301 = 361110947
BaseRepresentation
bin100110101110…
…0110111000101
31102012111220010
41031130313011
520144201201
62003100433
7334401204
oct115346705
942174803
1020303301
1110508197
126971719
13428b4b5
1429a723b
151bb0bd6
hex135cdc5

20303301 has 8 divisors (see below), whose sum is σ = 27515104. Its totient is φ = 13313520.

The previous prime is 20303299. The next prime is 20303329. The reversal of 20303301 is 10330302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20303301 - 21 = 20303299 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20303351) 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, 55291 + ... + 55656.

It is an arithmetic number, because the mean of its divisors is an integer number (3439388).

Almost surely, 220303301 is an apocalyptic number.

It is an amenable number.

20303301 is a deficient number, since it is larger than the sum of its proper divisors (7211803).

20303301 is a wasteful number, since it uses less digits than its factorization.

20303301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111011.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 20303301 is about 4505.9184413391. The cubic root of 20303301 is about 272.8070259382.

Adding to 20303301 its reverse (10330302), we get a palindrome (30633603).

The spelling of 20303301 in words is "twenty million, three hundred three thousand, three hundred one".

Divisors: 1 3 61 183 110947 332841 6767767 20303301