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525142312 = 2365642789
BaseRepresentation
bin11111010011010…
…000100100101000
31100121010222211021
4133103100210220
52033414023222
6124035342224
716004431102
oct3723204450
91317128737
10525142312
1124a47a212
12127a51974
1384a48cc6
144da5c572
1531182ac7
hex1f4d0928

525142312 has 8 divisors (see below), whose sum is σ = 984641850. Its totient is φ = 262571152.

The previous prime is 525142297. The next prime is 525142361. The reversal of 525142312 is 213241525.

It can be written as a sum of positive squares in only one way, i.e., 517380516 + 7761796 = 22746^2 + 2786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32821387 + ... + 32821402.

Almost surely, 2525142312 is an apocalyptic number.

It is an amenable number.

525142312 is a deficient number, since it is larger than the sum of its proper divisors (459499538).

525142312 is a wasteful number, since it uses less digits than its factorization.

525142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65642795 (or 65642791 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 525142312 is about 22915.9837667947. The cubic root of 525142312 is about 806.7872085722.

Adding to 525142312 its reverse (213241525), we get a palindrome (738383837).

The spelling of 525142312 in words is "five hundred twenty-five million, one hundred forty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 65642789 131285578 262571156 525142312