Search a number
-
+
420312201 = 38911313931
BaseRepresentation
bin11001000011010…
…111010010001001
31002021220001221120
4121003113102021
51330044442301
6105412425453
713262411001
oct3103272211
91067801846
10420312201
111a6289861
12b8918289
1369103b5a
143db71001
1526d76e36
hex190d7489

420312201 has 16 divisors (see below), whose sum is σ = 571769280. Its totient is φ = 274588160.

The previous prime is 420312187. The next prime is 420312223. The reversal of 420312201 is 102213024.

It is a cyclic number.

It is not a de Polignac number, because 420312201 - 25 = 420312169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420312701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23206 + ... + 37136.

It is an arithmetic number, because the mean of its divisors is an integer number (35735580).

Almost surely, 2420312201 is an apocalyptic number.

It is an amenable number.

420312201 is a deficient number, since it is larger than the sum of its proper divisors (151457079).

420312201 is a wasteful number, since it uses less digits than its factorization.

420312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14136.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 420312201 is about 20501.5170414289. The cubic root of 420312201 is about 749.0727509737.

Adding to 420312201 its reverse (102213024), we get a palindrome (522525225).

The spelling of 420312201 in words is "four hundred twenty million, three hundred twelve thousand, two hundred one".

Divisors: 1 3 89 113 267 339 10057 13931 30171 41793 1239859 1574203 3719577 4722609 140104067 420312201