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525533142 = 23312825447
BaseRepresentation
bin11111010100101…
…111111111010110
31100121212211221110
4133110233333112
52034014030032
6124051555450
716010646411
oct3724577726
91317784843
10525533142
1124a716912
12127bbbb86
1384b54b74
144db20b78
153120d7cc
hex1f52ffd6

525533142 has 16 divisors (see below), whose sum is σ = 1084972032. Its totient is φ = 169526760.

The previous prime is 525533123. The next prime is 525533147. The reversal of 525533142 is 241335525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525533147) 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, 1412538 + ... + 1412909.

It is an arithmetic number, because the mean of its divisors is an integer number (67810752).

Almost surely, 2525533142 is an apocalyptic number.

525533142 is an abundant number, since it is smaller than the sum of its proper divisors (559438890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525533142 is a wasteful number, since it uses less digits than its factorization.

525533142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825483.

The product of its digits is 18000, while the sum is 30.

The square root of 525533142 is about 22924.5096348864. The cubic root of 525533142 is about 806.9873057309.

Adding to 525533142 its reverse (241335525), we get a palindrome (766868667).

The spelling of 525533142 in words is "five hundred twenty-five million, five hundred thirty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 31 62 93 186 2825447 5650894 8476341 16952682 87588857 175177714 262766571 525533142