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2680449 = 37271229
BaseRepresentation
bin1010001110011010000001
312001011212220
422032122001
51141233244
6133241253
731532502
oct12163201
95034786
102680449
111570952
12a93229
1372b085
144daba9
1537e319
hex28e681

2680449 has 8 divisors (see below), whose sum is σ = 3581760. Its totient is φ = 1783056.

The previous prime is 2680427. The next prime is 2680451. The reversal of 2680449 is 9440862.

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

It is not a de Polignac number, because 2680449 - 212 = 2676353 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2680409) 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, 1567 + ... + 2795.

It is an arithmetic number, because the mean of its divisors is an integer number (447720).

22680449 is an apocalyptic number.

It is an amenable number.

2680449 is a deficient number, since it is larger than the sum of its proper divisors (901311).

2680449 is a wasteful number, since it uses less digits than its factorization.

2680449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 2680449 is about 1637.2076838324. The cubic root of 2680449 is about 138.9107478721.

The spelling of 2680449 in words is "two million, six hundred eighty thousand, four hundred forty-nine".

Divisors: 1 3 727 1229 2181 3687 893483 2680449