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422144201 = 439817307
BaseRepresentation
bin11001001010010…
…110100011001001
31002102100010222102
4121022112203021
51331032103301
6105520003145
713314111053
oct3112264311
91072303872
10422144201
111a7320206
12b94604b5
13695c598b
14400ca8d3
15270d9b6b
hex192968c9

422144201 has 4 divisors (see below), whose sum is σ = 431961552. Its totient is φ = 412326852.

The previous prime is 422144179. The next prime is 422144227. The reversal of 422144201 is 102441224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-422144201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422144501) 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 3 ways as a sum of consecutive naturals, for example, 4908611 + ... + 4908696.

It is an arithmetic number, because the mean of its divisors is an integer number (107990388).

Almost surely, 2422144201 is an apocalyptic number.

It is an amenable number.

422144201 is a deficient number, since it is larger than the sum of its proper divisors (9817351).

422144201 is an equidigital number, since it uses as much as digits as its factorization.

422144201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9817350.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 422144201 is about 20546.1480818182. The cubic root of 422144201 is about 750.1594925989.

Adding to 422144201 its reverse (102441224), we get a palindrome (524585425).

The spelling of 422144201 in words is "four hundred twenty-two million, one hundred forty-four thousand, two hundred one".

Divisors: 1 43 9817307 422144201