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30130301 = 50875923
BaseRepresentation
bin111001011110…
…0000001111101
32002200210000002
41302330001331
530203132201
62553444045
7514050305
oct162740175
962623002
1030130301
111600a383
12a110625
13631c3a6
144004605
1529a276b
hex1cbc07d

30130301 has 4 divisors (see below), whose sum is σ = 30141312. Its totient is φ = 30119292.

The previous prime is 30130283. The next prime is 30130339. The reversal of 30130301 is 10303103.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10303103 = 23447961.

It is a cyclic number.

It is not a de Polignac number, because 30130301 - 222 = 25935997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130351) 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, 2126 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (7535328).

Almost surely, 230130301 is an apocalyptic number.

It is an amenable number.

30130301 is a deficient number, since it is larger than the sum of its proper divisors (11011).

30130301 is an equidigital number, since it uses as much as digits as its factorization.

30130301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 30130301 is about 5489.1074866503. The cubic root of 30130301 is about 311.1724625274.

Adding to 30130301 its reverse (10303103), we get a palindrome (40433404).

The spelling of 30130301 in words is "thirty million, one hundred thirty thousand, three hundred one".

Divisors: 1 5087 5923 30130301