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3851125 = 5330809
BaseRepresentation
bin1110101100001101110101
321020122202021
432230031311
51441214000
6214313141
744506525
oct16541565
97218667
103851125
1121a0453
1213587b1
13a4ab95
14723685
1551111a
hex3ac375

3851125 has 8 divisors (see below), whose sum is σ = 4806360. Its totient is φ = 3080800.

The previous prime is 3851101. The next prime is 3851147. The reversal of 3851125 is 5211583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1681 + 3849444 = 41^2 + 1962^2 .

It is a de Polignac number, because none of the positive numbers 2k-3851125 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3851125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15280 + ... + 15529.

It is an arithmetic number, because the mean of its divisors is an integer number (600795).

Almost surely, 23851125 is an apocalyptic number.

It is an amenable number.

3851125 is a deficient number, since it is larger than the sum of its proper divisors (955235).

3851125 is an equidigital number, since it uses as much as digits as its factorization.

3851125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30824 (or 30814 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 3851125 is about 1962.4283426408. The cubic root of 3851125 is about 156.7457851972.

The spelling of 3851125 in words is "three million, eight hundred fifty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 30809 154045 770225 3851125