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3802525 = 52891709
BaseRepresentation
bin1110100000010110011101
321011012002021
432200112131
51433140100
6213300141
744215036
oct16402635
97135067
103802525
112167991
121334651
13a31a1c
1470da8d
15501a1a
hex3a059d

3802525 has 12 divisors (see below), whose sum is σ = 4770900. Its totient is φ = 3006080.

The previous prime is 3802523. The next prime is 3802529. The reversal of 3802525 is 5252083.

3802525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 799236 + 3003289 = 894^2 + 1733^2 .

It is not a de Polignac number, because 3802525 - 21 = 3802523 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 313 + 85 + 0 + 25 + 53 + 221 + 57 .

It is a self number, because there is not a number n which added to its sum of digits gives 3802525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1371 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (397575).

Almost surely, 23802525 is an apocalyptic number.

It is an amenable number.

3802525 is a deficient number, since it is larger than the sum of its proper divisors (968375).

3802525 is a wasteful number, since it uses less digits than its factorization.

3802525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808 (or 1803 counting only the distinct ones).

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

The square root of 3802525 is about 1950.0064102459. The cubic root of 3802525 is about 156.0836309194.

Subtracting from 3802525 its sum of digits (25), we obtain a square (3802500 = 19502).

It can be divided in two parts, 38025 and 25, that multiplied together give a square (950625 = 9752).

The spelling of 3802525 in words is "three million, eight hundred two thousand, five hundred twenty-five".

Divisors: 1 5 25 89 445 1709 2225 8545 42725 152101 760505 3802525