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1111430223 = 32796772309
BaseRepresentation
bin100001000111111…
…0001010001001111
32212110100111122100
41002033301101033
54234011231343
6302141450143
736354000231
oct10217612117
92773314570
101111430223
11520411a82
12270270953
13149353527
14a7876251
15678929d3
hex423f144f

1111430223 has 24 divisors (see below), whose sum is σ = 1628827200. Its totient is φ = 730177344.

The previous prime is 1111430209. The next prime is 1111430227. The reversal of 1111430223 is 3220341111.

1111430223 is a `hidden beast` number, since 1 + 1 + 11 + 430 + 223 = 666.

It is not a de Polignac number, because 1111430223 - 24 = 1111430207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111430196 and 1111430205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111430227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 480193 + ... + 482501.

It is an arithmetic number, because the mean of its divisors is an integer number (67867800).

Almost surely, 21111430223 is an apocalyptic number.

1111430223 is a deficient number, since it is larger than the sum of its proper divisors (517396977).

1111430223 is a wasteful number, since it uses less digits than its factorization.

1111430223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3071 (or 3068 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1111430223 is about 33338.1196680317. The cubic root of 1111430223 is about 1035.8433146437.

Adding to 1111430223 its reverse (3220341111), we get a palindrome (4331771334).

The spelling of 1111430223 in words is "one billion, one hundred eleven million, four hundred thirty thousand, two hundred twenty-three".

Divisors: 1 3 9 79 237 677 711 2031 2309 6093 6927 20781 53483 160449 182411 481347 547233 1563193 1641699 4689579 14068737 123492247 370476741 1111430223