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1896725 = 5275869
BaseRepresentation
bin111001111000100010101
310120100211002
413033010111
5441143400
6104353045
722056545
oct7170425
93510732
101896725
111086046
12775785
1351542c
14375325
15276ed5
hex1cf115

1896725 has 6 divisors (see below), whose sum is σ = 2351970. Its totient is φ = 1517360.

The previous prime is 1896721. The next prime is 1896737. The reversal of 1896725 is 5276981.

It can be written as a sum of positive squares in 3 ways, for example, as 198916 + 1697809 = 446^2 + 1303^2 .

It is not a de Polignac number, because 1896725 - 22 = 1896721 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896721) by changing a digit.

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, 37910 + ... + 37959.

It is an arithmetic number, because the mean of its divisors is an integer number (391995).

21896725 is an apocalyptic number.

It is an amenable number.

1896725 is a deficient number, since it is larger than the sum of its proper divisors (455245).

1896725 is an equidigital number, since it uses as much as digits as its factorization.

1896725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75879 (or 75874 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 1896725 is about 1377.2163954877. The cubic root of 1896725 is about 123.7850290253.

The spelling of 1896725 in words is "one million, eight hundred ninety-six thousand, seven hundred twenty-five".

Divisors: 1 5 25 75869 379345 1896725