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1068272525 = 5242730901
BaseRepresentation
bin111111101011001…
…000101110001101
32202110010212102002
4333223020232031
54141434210100
6254000442045
735321111105
oct7753105615
92673125362
101068272525
114a9014a61
12259919325
13140422628
14a1c40205
1563bba2d5
hex3fac8b8d

1068272525 has 6 divisors (see below), whose sum is σ = 1324657962. Its totient is φ = 854618000.

The previous prime is 1068272509. The next prime is 1068272561. The reversal of 1068272525 is 5252728601.

It can be written as a sum of positive squares in 3 ways, for example, as 111112681 + 957159844 = 10541^2 + 30938^2 .

It is not a de Polignac number, because 1068272525 - 24 = 1068272509 is a prime.

It is a super-2 number, since 2×10682725252 = 2282412375339751250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21365426 + ... + 21365475.

It is an arithmetic number, because the mean of its divisors is an integer number (220776327).

Almost surely, 21068272525 is an apocalyptic number.

It is an amenable number.

1068272525 is a deficient number, since it is larger than the sum of its proper divisors (256385437).

1068272525 is an equidigital number, since it uses as much as digits as its factorization.

1068272525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42730911 (or 42730906 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1068272525 is about 32684.4385755668. The cubic root of 1068272525 is about 1022.2583962576.

The spelling of 1068272525 in words is "one billion, sixty-eight million, two hundred seventy-two thousand, five hundred twenty-five".

Divisors: 1 5 25 42730901 213654505 1068272525