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525413442 = 234110719961
BaseRepresentation
bin11111010100010…
…010110001000010
31100121122202202010
4133110102301002
52034001212232
6124045233350
716006640421
oct3724226102
91317582663
10525413442
1124a644994
12127b62856
1384b12538
144dacd2b8
15311d80cc
hex1f512c42

525413442 has 32 divisors (see below), whose sum is σ = 1086571584. Its totient is φ = 169260800.

The previous prime is 525413429. The next prime is 525413443. The reversal of 525413442 is 244314525.

It is not an unprimeable number, because it can be changed into a prime (525413443) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 16342 + ... + 36302.

It is an arithmetic number, because the mean of its divisors is an integer number (33955362).

Almost surely, 2525413442 is an apocalyptic number.

525413442 is an abundant number, since it is smaller than the sum of its proper divisors (561158142).

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

525413442 is a wasteful number, since it uses less digits than its factorization.

525413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20114.

The product of its digits is 19200, while the sum is 30.

The square root of 525413442 is about 22921.8987433415. The cubic root of 525413442 is about 806.9260322624.

Adding to 525413442 its reverse (244314525), we get a palindrome (769727967).

The spelling of 525413442 in words is "five hundred twenty-five million, four hundred thirteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 41 82 107 123 214 246 321 642 4387 8774 13161 19961 26322 39922 59883 119766 818401 1636802 2135827 2455203 4271654 4910406 6407481 12814962 87568907 175137814 262706721 525413442