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525331142 = 27181379547
BaseRepresentation
bin11111010011111…
…110101011000110
31100121111120211222
4133103332223012
52033441044032
6124043400342
716006145450
oct3723765306
91317446758
10525331142
1124a599076
12127b230b2
1384ab3c3b
144daab2d0
15311bda12
hex1f4feac6

525331142 has 32 divisors (see below), whose sum is σ = 909592320. Its totient is φ = 222899040.

The previous prime is 525331123. The next prime is 525331181. The reversal of 525331142 is 241133525.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960113 + ... + 960659.

It is an arithmetic number, because the mean of its divisors is an integer number (28424760).

Almost surely, 2525331142 is an apocalyptic number.

525331142 is a deficient number, since it is larger than the sum of its proper divisors (384261178).

525331142 is a wasteful number, since it uses less digits than its factorization.

525331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116.

The product of its digits is 3600, while the sum is 26.

The square root of 525331142 is about 22920.1034465379. The cubic root of 525331142 is about 806.8838981543.

Adding to 525331142 its reverse (241133525), we get a palindrome (766464667).

The spelling of 525331142 in words is "five hundred twenty-five million, three hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 7 14 181 362 379 547 758 1094 1267 2534 2653 3829 5306 7658 68599 99007 137198 198014 207313 414626 480193 693049 960386 1386098 1451191 2902382 37523653 75047306 262665571 525331142