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20430411 = 365310429
BaseRepresentation
bin100110111101…
…1111001001011
31102102222020220
41031323321023
520212233121
62005521123
7335440611
oct115737113
942388226
1020430411
1110594741
126a131a3
134304301
1429db6b1
151bd86c6
hex137be4b

20430411 has 8 divisors (see below), whose sum is σ = 27284880. Its totient is φ = 13598112.

The previous prime is 20430409. The next prime is 20430439. The reversal of 20430411 is 11403402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20430411 - 21 = 20430409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20430911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 7173.

It is an arithmetic number, because the mean of its divisors is an integer number (3410610).

Almost surely, 220430411 is an apocalyptic number.

20430411 is a deficient number, since it is larger than the sum of its proper divisors (6854469).

20430411 is a wasteful number, since it uses less digits than its factorization.

20430411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11085.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 20430411 is about 4520.0012168140. The cubic root of 20430411 is about 273.3751500897.

Adding to 20430411 its reverse (11403402), we get a palindrome (31833813).

The spelling of 20430411 in words is "twenty million, four hundred thirty thousand, four hundred eleven".

Divisors: 1 3 653 1959 10429 31287 6810137 20430411