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3927725 = 52157109
BaseRepresentation
bin1110111110111010101101
321101112211022
432332322231
52001141400
6220103525
745246044
oct16767255
97345738
103927725
112242a5a
121394ba5
13a769c9
1474355b
15528b85
hex3beead

3927725 has 6 divisors (see below), whose sum is σ = 4870410. Its totient is φ = 3142160.

The previous prime is 3927713. The next prime is 3927727. The reversal of 3927725 is 5277293.

It can be written as a sum of positive squares in 3 ways, for example, as 3364 + 3924361 = 58^2 + 1981^2 .

It is not a de Polignac number, because 3927725 - 24 = 3927709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3927727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78530 + ... + 78579.

It is an arithmetic number, because the mean of its divisors is an integer number (811735).

Almost surely, 23927725 is an apocalyptic number.

It is an amenable number.

3927725 is a deficient number, since it is larger than the sum of its proper divisors (942685).

3927725 is a wasteful number, since it uses less digits than its factorization.

3927725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157119 (or 157114 counting only the distinct ones).

The product of its digits is 26460, while the sum is 35.

The square root of 3927725 is about 1981.8488842493. The cubic root of 3927725 is about 157.7782098815.

The spelling of 3927725 in words is "three million, nine hundred twenty-seven thousand, seven hundred twenty-five".

Divisors: 1 5 25 157109 785545 3927725