Search a number
-
+
2030001223 = 7392746957
BaseRepresentation
bin111100011111111…
…0101110001000111
312020110210202011111
41320333311301013
513124140014343
6533233545451
7101206503625
oct17077656107
95213722144
102030001223
11951978a68
12487a15287
1326474ca73
14153868515
15bd33bc9d
hex78ff5c47

2030001223 has 4 divisors (see below), whose sum is σ = 2032748920. Its totient is φ = 2027253528.

The previous prime is 2030001217. The next prime is 2030001271. The reversal of 2030001223 is 3221000302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2030001223 - 25 = 2030001191 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 (2030005223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1372740 + ... + 1374217.

It is an arithmetic number, because the mean of its divisors is an integer number (508187230).

Almost surely, 22030001223 is an apocalyptic number.

2030001223 is a deficient number, since it is larger than the sum of its proper divisors (2747697).

2030001223 is an equidigital number, since it uses as much as digits as its factorization.

2030001223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747696.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2030001223 is about 45055.5348764167. The cubic root of 2030001223 is about 1266.1896712828.

Adding to 2030001223 its reverse (3221000302), we get a palindrome (5251001525).

The spelling of 2030001223 in words is "two billion, thirty million, one thousand, two hundred twenty-three".

Divisors: 1 739 2746957 2030001223