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30200413 = 198715199
BaseRepresentation
bin111001100110…
…1001001011101
32002211100011211
41303031021131
530212403123
62555144421
7514461565
oct163151135
962740154
1030200413
1116058021
12a145111
136345289
144021da5
1529b840d
hex1ccd25d

30200413 has 4 divisors (see below), whose sum is σ = 30217600. Its totient is φ = 30183228.

The previous prime is 30200411. The next prime is 30200419. The reversal of 30200413 is 31400203.

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: 31400203 = 112327961.

It is a cyclic number.

It is not a de Polignac number, because 30200413 - 21 = 30200411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30200393 and 30200402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200411) 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, 5613 + ... + 9586.

It is an arithmetic number, because the mean of its divisors is an integer number (7554400).

Almost surely, 230200413 is an apocalyptic number.

It is an amenable number.

30200413 is a deficient number, since it is larger than the sum of its proper divisors (17187).

30200413 is a wasteful number, since it uses less digits than its factorization.

30200413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17186.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30200413 is about 5495.4902420075. The cubic root of 30200413 is about 311.4136374958.

Adding to 30200413 its reverse (31400203), we get a palindrome (61600616).

The spelling of 30200413 in words is "thirty million, two hundred thousand, four hundred thirteen".

Divisors: 1 1987 15199 30200413