Search a number
-
+
525142311 = 3199213023
BaseRepresentation
bin11111010011010…
…000100100100111
31100121010222211020
4133103100210213
52033414023221
6124035342223
716004431101
oct3723204447
91317128736
10525142311
1124a47a211
12127a51973
1384a48cc5
144da5c571
1531182ac6
hex1f4d0927

525142311 has 8 divisors (see below), whose sum is σ = 737041920. Its totient is φ = 331668792.

The previous prime is 525142297. The next prime is 525142361. The reversal of 525142311 is 113241525.

Adding to 525142311 its reverse (113241525), we get a palindrome (638383836).

It is a happy number.

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

It is not a de Polignac number, because 525142311 - 211 = 525140263 is a prime.

It is a super-3 number, since 3×5251423113 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525142361) 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, 4606455 + ... + 4606568.

It is an arithmetic number, because the mean of its divisors is an integer number (92130240).

Almost surely, 2525142311 is an apocalyptic number.

525142311 is a deficient number, since it is larger than the sum of its proper divisors (211899609).

525142311 is a wasteful number, since it uses less digits than its factorization.

525142311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9213045.

The product of its digits is 1200, while the sum is 24.

The square root of 525142311 is about 22915.9837449759. The cubic root of 525142311 is about 806.7872080601.

The spelling of 525142311 in words is "five hundred twenty-five million, one hundred forty-two thousand, three hundred eleven".

Divisors: 1 3 19 57 9213023 27639069 175047437 525142311