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1048825 = 5241953
BaseRepresentation
bin100000000000011111001
31222021201101
410000003321
5232030300
634251401
711625541
oct4000371
91867641
101048825
11656aa8
12426b61
132a950b
141d4321
1515ab6a
hex1000f9

1048825 has 6 divisors (see below), whose sum is σ = 1300574. Its totient is φ = 839040.

The previous prime is 1048807. The next prime is 1048829. The reversal of 1048825 is 5288401.

It can be written as a sum of positive squares in 3 ways, for example, as 32761 + 1016064 = 181^2 + 1008^2 .

It is not a de Polignac number, because 1048825 - 25 = 1048793 is a prime.

It is a super-2 number, since 2×10488252 = 2200067761250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1048793 and 1048802.

It is not an unprimeable number, because it can be changed into a prime (1048829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20952 + ... + 21001.

21048825 is an apocalyptic number.

It is an amenable number.

1048825 is a deficient number, since it is larger than the sum of its proper divisors (251749).

1048825 is an equidigital number, since it uses as much as digits as its factorization.

1048825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41963 (or 41958 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1048825 is about 1024.1215748142. The cubic root of 1048825 is about 101.6017083330.

The spelling of 1048825 in words is "one million, forty-eight thousand, eight hundred twenty-five".

Divisors: 1 5 25 41953 209765 1048825