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2906825 = 52116273
BaseRepresentation
bin1011000101101011001001
312110200102012
423011223021
51221004300
6142145305
733464465
oct13055311
95420365
102906825
111705a39
12b82235
137aa11c
145594a5
153c6435
hex2c5ac9

2906825 has 6 divisors (see below), whose sum is σ = 3604494. Its totient is φ = 2325440.

The previous prime is 2906807. The next prime is 2906851. The reversal of 2906825 is 5286092.

2906825 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 644809 + 2262016 = 803^2 + 1504^2 .

It is not a de Polignac number, because 2906825 - 28 = 2906569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2906791 and 2906800.

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, 58112 + ... + 58161.

It is an arithmetic number, because the mean of its divisors is an integer number (600749).

22906825 is an apocalyptic number.

2906825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2906825 is a deficient number, since it is larger than the sum of its proper divisors (697669).

2906825 is a wasteful number, since it uses less digits than its factorization.

2906825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116283 (or 116278 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2906825 is about 1704.9413479648. The cubic root of 2906825 is about 142.7160976944.

The spelling of 2906825 in words is "two million, nine hundred six thousand, eight hundred twenty-five".

Divisors: 1 5 25 116273 581365 2906825