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11030203 = 193161307
BaseRepresentation
bin101010000100…
…111010111011
3202202101121001
4222010322323
510310431303
61032225431
7162520012
oct52047273
922671531
1011030203
116254178
12383b277
132392762
141671a79
15e7d31d
hexa84ebb

11030203 has 16 divisors (see below), whose sum is σ = 12221440. Its totient is φ = 9914400.

The previous prime is 11030197. The next prime is 11030209. The reversal of 11030203 is 30203011.

11030203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11030197) and next prime (11030209).

It is a cyclic number.

It is not a de Polignac number, because 11030203 - 25 = 11030171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11030203.

It is not an unprimeable number, because it can be changed into a prime (11030209) 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 15 ways as a sum of consecutive naturals, for example, 35776 + ... + 36082.

It is an arithmetic number, because the mean of its divisors is an integer number (763840).

Almost surely, 211030203 is an apocalyptic number.

11030203 is a deficient number, since it is larger than the sum of its proper divisors (1191237).

11030203 is a wasteful number, since it uses less digits than its factorization.

11030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 11030203 is about 3321.1749426972. The cubic root of 11030203 is about 222.6013711377.

Adding to 11030203 its reverse (30203011), we get a palindrome (41233214).

The spelling of 11030203 in words is "eleven million, thirty thousand, two hundred three".

Divisors: 1 19 31 61 307 589 1159 1891 5833 9517 18727 35929 180823 355813 580537 11030203