Search a number
-
+
2227993 = 97103223
BaseRepresentation
bin1000011111111100011001
311012012020021
420133330121
51032243433
6115430441
724636415
oct10377431
94165207
102227993
111291a19
128b5421
13600151
1441dd45
152e022d
hex21ff19

2227993 has 8 divisors (see below), whose sum is σ = 2283008. Its totient is φ = 2173824.

The previous prime is 2227963. The next prime is 2228011. The reversal of 2227993 is 3997222.

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

It is a cyclic number.

It is not a de Polignac number, because 2227993 - 213 = 2219801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2227913) 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 7 ways as a sum of consecutive naturals, for example, 9880 + ... + 10102.

It is an arithmetic number, because the mean of its divisors is an integer number (285376).

22227993 is an apocalyptic number.

It is an amenable number.

2227993 is a deficient number, since it is larger than the sum of its proper divisors (55015).

2227993 is a wasteful number, since it uses less digits than its factorization.

2227993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 13608, while the sum is 34.

The square root of 2227993 is about 1492.6463077367. The cubic root of 2227993 is about 130.6084495564.

The spelling of 2227993 in words is "two million, two hundred twenty-seven thousand, nine hundred ninety-three".

Divisors: 1 97 103 223 9991 21631 22969 2227993