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11430213 = 33810071
BaseRepresentation
bin101011100110…
…100101000101
3210111201022020
4223212211011
510411231323
61044553353
7166104144
oct53464505
923451266
1011430213
1164a7763
1239b2859
1324a2852
14173775b
15100bae3
hexae6945

11430213 has 4 divisors (see below), whose sum is σ = 15240288. Its totient is φ = 7620140.

The previous prime is 11430203. The next prime is 11430233. The reversal of 11430213 is 31203411.

11430213 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31203411 = 310401137.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11430213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11430192 and 11430201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11430203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905033 + ... + 1905038.

It is an arithmetic number, because the mean of its divisors is an integer number (3810072).

Almost surely, 211430213 is an apocalyptic number.

It is an amenable number.

11430213 is a deficient number, since it is larger than the sum of its proper divisors (3810075).

11430213 is an equidigital number, since it uses as much as digits as its factorization.

11430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810074.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11430213 is about 3380.8598018847. The cubic root of 11430213 is about 225.2603603344.

Adding to 11430213 its reverse (31203411), we get a palindrome (42633624).

The spelling of 11430213 in words is "eleven million, four hundred thirty thousand, two hundred thirteen".

Divisors: 1 3 3810071 11430213