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2825409 = 32633581
BaseRepresentation
bin1010110001110011000001
312022112201210
422301303001
51210403114
6140320333
733005226
oct12616301
95275653
102825409
11165a854
12b430a9
1377c052
1453794d
153ac259
hex2b1cc1

2825409 has 8 divisors (see below), whose sum is σ = 3782592. Its totient is φ = 1875920.

The previous prime is 2825387. The next prime is 2825411. The reversal of 2825409 is 9045282.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2825409 - 28 = 2825153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (472824).

22825409 is an apocalyptic number.

It is an amenable number.

2825409 is a deficient number, since it is larger than the sum of its proper divisors (957183).

2825409 is a wasteful number, since it uses less digits than its factorization.

2825409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2825409 is about 1680.8952971557. The cubic root of 2825409 is about 141.3710362557.

The spelling of 2825409 in words is "two million, eight hundred twenty-five thousand, four hundred nine".

Divisors: 1 3 263 789 3581 10743 941803 2825409