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52641025 = 522105641
BaseRepresentation
bin1100100011001…
…1110100000001
310200001102220121
43020303310001
5101434003100
65120140241
71206304243
oct310636401
9120042817
1052641025
1127794a88
1215767681
13aba1548
146dc4093
15494c51a
hex3233d01

52641025 has 6 divisors (see below), whose sum is σ = 65274902. Its totient is φ = 42112800.

The previous prime is 52641019. The next prime is 52641037. The reversal of 52641025 is 52014625.

It can be written as a sum of positive squares in 3 ways, for example, as 12988816 + 39652209 = 3604^2 + 6297^2 .

It is not a de Polignac number, because 52641025 - 29 = 52640513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2105641 = 52641025 / (5 + 2 + 6 + 4 + 1 + 0 + 2 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1052796 + ... + 1052845.

Almost surely, 252641025 is an apocalyptic number.

It is an amenable number.

52641025 is a deficient number, since it is larger than the sum of its proper divisors (12633877).

52641025 is a wasteful number, since it uses less digits than its factorization.

52641025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105651 (or 2105646 counting only the distinct ones).

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

The square root of 52641025 is about 7255.4134961420. The cubic root of 52641025 is about 374.7785952315.

The spelling of 52641025 in words is "fifty-two million, six hundred forty-one thousand, twenty-five".

Divisors: 1 5 25 2105641 10528205 52641025