Search a number
-
+
223544001 = 3311239597
BaseRepresentation
bin11010101001100…
…00001011000001
3120120122012201110
431110300023001
5424211402001
634103153533
75353043532
oct1524601301
9516565643
10223544001
11105203a0a
1262a458a9
133740b875
1421990689
151495a3d6
hexd5302c1

223544001 has 8 divisors (see below), whose sum is σ = 299018304. Its totient is φ = 148549520.

The previous prime is 223543981. The next prime is 223544011. The reversal of 223544001 is 100445322.

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 223544001 - 26 = 223543937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (223544011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118866 + ... + 120731.

It is an arithmetic number, because the mean of its divisors is an integer number (37377288).

Almost surely, 2223544001 is an apocalyptic number.

It is an amenable number.

223544001 is a deficient number, since it is larger than the sum of its proper divisors (75474303).

223544001 is a wasteful number, since it uses less digits than its factorization.

223544001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239911.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 223544001 is about 14951.3879288847. The cubic root of 223544001 is about 606.9054068150.

Adding to 223544001 its reverse (100445322), we get a palindrome (323989323).

The spelling of 223544001 in words is "two hundred twenty-three million, five hundred forty-four thousand, one".

Divisors: 1 3 311 933 239597 718791 74514667 223544001