Search a number
-
+
3728525 = 521731283
BaseRepresentation
bin1110001110010010001101
321000102120112
432032102031
51423303100
6211525405
743456223
oct16162215
97012515
103728525
112117329
1212b9865
13a07138
146d0b13
154d9b35
hex38e48d

3728525 has 24 divisors (see below), whose sum is σ = 5071104. Its totient is φ = 2707200.

The previous prime is 3728513. The next prime is 3728533. The reversal of 3728525 is 5258273.

3728525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3728525 - 24 = 3728509 is a prime.

Its product of digits (16800) is a multiple of the sum of its prime divisors (336).

It is a junction number, because it is equal to n+sod(n) for n = 3728491 and 3728500.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 13034 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (211296).

Almost surely, 23728525 is an apocalyptic number.

It is an amenable number.

3728525 is a deficient number, since it is larger than the sum of its proper divisors (1342579).

3728525 is a wasteful number, since it uses less digits than its factorization.

3728525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 336 counting only the distinct ones).

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

The square root of 3728525 is about 1930.9388907990. The cubic root of 3728525 is about 155.0644892939.

The spelling of 3728525 in words is "three million, seven hundred twenty-eight thousand, five hundred twenty-five".

Divisors: 1 5 17 25 31 85 155 283 425 527 775 1415 2635 4811 7075 8773 13175 24055 43865 120275 149141 219325 745705 3728525