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4163725 = 521797101
BaseRepresentation
bin1111111000100010001101
321211112120001
433320202031
52031214400
6225124301
750251066
oct17704215
97745501
104163725
1123942a5
121489691
13b2a257
147a556d
15573a6a
hex3f888d

4163725 has 24 divisors (see below), whose sum is σ = 5577768. Its totient is φ = 3072000.

The previous prime is 4163723. The next prime is 4163741. The reversal of 4163725 is 5273614.

It can be written as a sum of positive squares in 12 ways, for example, as 59049 + 4104676 = 243^2 + 2026^2 .

It is not a de Polignac number, because 4163725 - 21 = 4163723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4163693 and 4163702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4163723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41175 + ... + 41275.

It is an arithmetic number, because the mean of its divisors is an integer number (232407).

Almost surely, 24163725 is an apocalyptic number.

It is an amenable number.

4163725 is a deficient number, since it is larger than the sum of its proper divisors (1414043).

4163725 is a wasteful number, since it uses less digits than its factorization.

4163725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225 (or 220 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 4163725 is about 2040.5207668632. The cubic root of 4163725 is about 160.8770198798.

The spelling of 4163725 in words is "four million, one hundred sixty-three thousand, seven hundred twenty-five".

Divisors: 1 5 17 25 85 97 101 425 485 505 1649 1717 2425 2525 8245 8585 9797 41225 42925 48985 166549 244925 832745 4163725