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3913725 = 35252183
BaseRepresentation
bin1110111011011111111101
321100211121210
432323133331
52000214400
6215515033
745160164
oct16733775
97324553
103913725
112233492
121388a79
13a7051a
1473c3db
15524950
hex3bb7fd

3913725 has 12 divisors (see below), whose sum is σ = 6470816. Its totient is φ = 2087280.

The previous prime is 3913717. The next prime is 3913727. The reversal of 3913725 is 5273193.

It is not a de Polignac number, because 3913725 - 23 = 3913717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3913692 and 3913701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3913727) 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, 26017 + ... + 26166.

Almost surely, 23913725 is an apocalyptic number.

It is an amenable number.

3913725 is a deficient number, since it is larger than the sum of its proper divisors (2557091).

3913725 is a wasteful number, since it uses less digits than its factorization.

3913725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52196 (or 52191 counting only the distinct ones).

The product of its digits is 5670, while the sum is 30.

The square root of 3913725 is about 1978.3136758361. The cubic root of 3913725 is about 157.5905249313.

The spelling of 3913725 in words is "three million, nine hundred thirteen thousand, seven hundred twenty-five".

Divisors: 1 3 5 15 25 75 52183 156549 260915 782745 1304575 3913725