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3872525 = 52191811
BaseRepresentation
bin1110110001011100001101
321021202002212
432301130031
51442410100
6215000205
744626106
oct16613415
97252085
103872525
112205538
121369065
13a57847
1472b3ad
15517635
hex3b170d

3872525 has 12 divisors (see below), whose sum is σ = 4833024. Its totient is φ = 3078000.

The previous prime is 3872521. The next prime is 3872527. The reversal of 3872525 is 5252783.

It is not a de Polignac number, because 3872525 - 22 = 3872521 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3872491 and 3872500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3872521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4370 + ... + 5180.

It is an arithmetic number, because the mean of its divisors is an integer number (402752).

Almost surely, 23872525 is an apocalyptic number.

It is an amenable number.

3872525 is a deficient number, since it is larger than the sum of its proper divisors (960499).

3872525 is a wasteful number, since it uses less digits than its factorization.

3872525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1007 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 3872525 is about 1967.8732174609. The cubic root of 3872525 is about 157.0355849937.

The spelling of 3872525 in words is "three million, eight hundred seventy-two thousand, five hundred twenty-five".

Divisors: 1 5 25 191 811 955 4055 4775 20275 154901 774505 3872525