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235130533 = 1121375503
BaseRepresentation
bin11100000001111…
…00111010100101
3121101102212110021
432000330322211
5440143134113
635155355141
75553401521
oct1600747245
9541385407
10235130533
111107a8060
12668b2ab1
13399375c1
1423328d81
151599848d
hexe03cea5

235130533 has 4 divisors (see below), whose sum is σ = 256506048. Its totient is φ = 213755020.

The previous prime is 235130527. The next prime is 235130543. The reversal of 235130533 is 335031532.

It is a happy number.

235130533 is digitally balanced in base 2, because in such base 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-235130533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235130498 and 235130507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235130543) 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, 10687741 + ... + 10687762.

It is an arithmetic number, because the mean of its divisors is an integer number (64126512).

Almost surely, 2235130533 is an apocalyptic number.

It is an amenable number.

235130533 is a deficient number, since it is larger than the sum of its proper divisors (21375515).

235130533 is a wasteful number, since it uses less digits than its factorization.

235130533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375514.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 235130533 is about 15333.9666427184. The cubic root of 235130533 is about 617.2148162707.

Subtracting 235130533 from its reverse (335031532), we obtain a palindrome (99900999).

The spelling of 235130533 in words is "two hundred thirty-five million, one hundred thirty thousand, five hundred thirty-three".

Divisors: 1 11 21375503 235130533