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3731725 = 52149269
BaseRepresentation
bin1110001111000100001101
321000120222001
432033010031
51423403400
6211552301
743501444
oct16170415
97016861
103731725
112119778
1212bb691
13a0872a
146d1d5b
154daa6a
hex38f10d

3731725 has 6 divisors (see below), whose sum is σ = 4627370. Its totient is φ = 2985360.

The previous prime is 3731713. The next prime is 3731731. The reversal of 3731725 is 5271373.

3731725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 298116 + 3433609 = 546^2 + 1853^2 .

It is not a de Polignac number, because 3731725 - 29 = 3731213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3731693 and 3731702.

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 5 ways as a sum of consecutive naturals, for example, 74610 + ... + 74659.

Almost surely, 23731725 is an apocalyptic number.

It is an amenable number.

3731725 is a deficient number, since it is larger than the sum of its proper divisors (895645).

3731725 is a wasteful number, since it uses less digits than its factorization.

3731725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149279 (or 149274 counting only the distinct ones).

The product of its digits is 4410, while the sum is 28.

The square root of 3731725 is about 1931.7673255338. The cubic root of 3731725 is about 155.1088378837.

The spelling of 3731725 in words is "three million, seven hundred thirty-one thousand, seven hundred twenty-five".

Divisors: 1 5 25 149269 746345 3731725