Search a number
-
+
3806525 = 521071423
BaseRepresentation
bin1110100001010100111101
321011101120102
432201110331
51433302100
6213330445
744232512
oct16412475
97141512
103806525
11216a998
121336a25
13a337a8
14711309
15502cd5
hex3a153d

3806525 has 12 divisors (see below), whose sum is σ = 4767552. Its totient is φ = 3014640.

The previous prime is 3806507. The next prime is 3806527. The reversal of 3806525 is 5256083.

It is a de Polignac number, because none of the positive numbers 2k-3806525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3806527) 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, 1964 + ... + 3386.

It is an arithmetic number, because the mean of its divisors is an integer number (397296).

Almost surely, 23806525 is an apocalyptic number.

It is an amenable number.

3806525 is a deficient number, since it is larger than the sum of its proper divisors (961027).

3806525 is a wasteful number, since it uses less digits than its factorization.

3806525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3806525 is about 1951.0317783163. The cubic root of 3806525 is about 156.1383415597.

The spelling of 3806525 in words is "three million, eight hundred six thousand, five hundred twenty-five".

Divisors: 1 5 25 107 535 1423 2675 7115 35575 152261 761305 3806525