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2681814 = 23446969
BaseRepresentation
bin1010001110101111010110
312001020202110
422032233112
51141304224
6133251450
731536462
oct12165726
95036673
102681814
111571983
12a93b86
1372b895
144db4a2
1537e929
hex28ebd6

2681814 has 8 divisors (see below), whose sum is σ = 5363640. Its totient is φ = 893936.

The previous prime is 2681807. The next prime is 2681827. The reversal of 2681814 is 4181862.

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

2681814 is an admirable number.

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 223479 + ... + 223490.

It is an arithmetic number, because the mean of its divisors is an integer number (670455).

22681814 is an apocalyptic number.

2681814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2681814 is a wasteful number, since it uses less digits than its factorization.

2681814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446974.

The product of its digits is 3072, while the sum is 30.

The square root of 2681814 is about 1637.6244990840. The cubic root of 2681814 is about 138.9343236479.

The spelling of 2681814 in words is "two million, six hundred eighty-one thousand, eight hundred fourteen".

Divisors: 1 2 3 6 446969 893938 1340907 2681814