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2685425 = 52163659
BaseRepresentation
bin1010001111100111110001
312001102201012
422033213301
51141413200
6133320305
731553141
oct12174761
95042635
102685425
111574666
12a96095
13730412
144dc921
15380a35
hex28f9f1

2685425 has 12 divisors (see below), whose sum is σ = 3355440. Its totient is φ = 2131920.

The previous prime is 2685409. The next prime is 2685461. The reversal of 2685425 is 5245862.

It is not a de Polignac number, because 2685425 - 24 = 2685409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2685391 and 2685400.

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 11 ways as a sum of consecutive naturals, for example, 3746 + ... + 4404.

It is an arithmetic number, because the mean of its divisors is an integer number (279620).

22685425 is an apocalyptic number.

2685425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2685425 is a deficient number, since it is larger than the sum of its proper divisors (670015).

2685425 is a wasteful number, since it uses less digits than its factorization.

2685425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 827 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 2685425 is about 1638.7266398030. The cubic root of 2685425 is about 138.9966529567.

The spelling of 2685425 in words is "two million, six hundred eighty-five thousand, four hundred twenty-five".

Divisors: 1 5 25 163 659 815 3295 4075 16475 107417 537085 2685425