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223130403 = 3370111789
BaseRepresentation
bin11010100110010…
…11001100100011
3120112212012101000
431103023030203
5424110133103
634050243043
75346401646
oct1523131443
9515765330
10223130403
11104a511a1
1262886483
13372c5532
14218c3a5d
15148c7aa3
hexd4cb323

223130403 has 16 divisors (see below), whose sum is σ = 331063200. Its totient is φ = 148528800.

The previous prime is 223130377. The next prime is 223130431. The reversal of 223130403 is 304031322.

223130403 is a `hidden beast` number, since 2 + 231 + 30 + 403 = 666.

223130403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223130403 - 214 = 223114019 is a prime.

It is a super-3 number, since 3×2231304033 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (223130473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13033 + ... + 24821.

It is an arithmetic number, because the mean of its divisors is an integer number (20691450).

Almost surely, 2223130403 is an apocalyptic number.

223130403 is a deficient number, since it is larger than the sum of its proper divisors (107932797).

223130403 is a wasteful number, since it uses less digits than its factorization.

223130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12499 (or 12493 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 223130403 is about 14937.5501003344. The cubic root of 223130403 is about 606.5308797589.

Adding to 223130403 its reverse (304031322), we get a palindrome (527161725).

The spelling of 223130403 in words is "two hundred twenty-three million, one hundred thirty thousand, four hundred three".

Divisors: 1 3 9 27 701 2103 6309 11789 18927 35367 106101 318303 8264089 24792267 74376801 223130403