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3894725 = 52433623
BaseRepresentation
bin1110110110110111000101
321022212120002
432312313011
51444112400
6215251045
745050612
oct16666705
97285502
103894725
11222018a
121379a85
13a64993
14735509
1551ded5
hex3b6dc5

3894725 has 12 divisors (see below), whose sum is σ = 4943136. Its totient is φ = 3042480.

The previous prime is 3894707. The next prime is 3894733. The reversal of 3894725 is 5274983.

It is not a de Polignac number, because 3894725 - 28 = 3894469 is a prime.

It is an Ulam number.

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

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 737 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (411928).

Almost surely, 23894725 is an apocalyptic number.

It is an amenable number.

3894725 is a deficient number, since it is larger than the sum of its proper divisors (1048411).

3894725 is a wasteful number, since it uses less digits than its factorization.

3894725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3676 (or 3671 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 3894725 is about 1973.5057638629. The cubic root of 3894725 is about 157.3350923668.

The spelling of 3894725 in words is "three million, eight hundred ninety-four thousand, seven hundred twenty-five".

Divisors: 1 5 25 43 215 1075 3623 18115 90575 155789 778945 3894725