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1835825 = 5273433
BaseRepresentation
bin111000000001100110001
310110021021112
413000030301
5432221300
6103203105
721414155
oct7001461
93407245
101835825
111044312
12746495
134c37b4
1435b065
15263e35
hex1c0331

1835825 has 6 divisors (see below), whose sum is σ = 2276454. Its totient is φ = 1468640.

The previous prime is 1835819. The next prime is 1835839. The reversal of 1835825 is 5285381.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7921 + 1827904 = 89^2 + 1352^2 .

It is not a de Polignac number, because 1835825 - 24 = 1835809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1835791 and 1835800.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36692 + ... + 36741.

It is an arithmetic number, because the mean of its divisors is an integer number (379409).

21835825 is an apocalyptic number.

It is an amenable number.

1835825 is a deficient number, since it is larger than the sum of its proper divisors (440629).

1835825 is an equidigital number, since it uses as much as digits as its factorization.

1835825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73443 (or 73438 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 1835825 is about 1354.9261972521. The cubic root of 1835825 is about 122.4457624674.

The spelling of 1835825 in words is "one million, eight hundred thirty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 73433 367165 1835825