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2681319 = 35771549
BaseRepresentation
bin1010001110100111100111
312001020002010
422032213213
51141300234
6133245303
731535154
oct12164747
95036063
102681319
111571573
12a93833
1372b5a4
144db22b
1537e6e9
hex28e9e7

2681319 has 8 divisors (see below), whose sum is σ = 3583600. Its totient is φ = 1783296.

The previous prime is 2681297. The next prime is 2681321. The reversal of 2681319 is 9131862.

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

It is not a de Polignac number, because 2681319 - 27 = 2681191 is a prime.

It is a super-2 number, since 2×26813192 = 14378943159522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681389) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 957 + ... + 2505.

It is an arithmetic number, because the mean of its divisors is an integer number (447950).

22681319 is an apocalyptic number.

2681319 is a deficient number, since it is larger than the sum of its proper divisors (902281).

2681319 is a wasteful number, since it uses less digits than its factorization.

2681319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129.

The product of its digits is 2592, while the sum is 30.

The square root of 2681319 is about 1637.4733585619. The cubic root of 2681319 is about 138.9257751155.

The spelling of 2681319 in words is "two million, six hundred eighty-one thousand, three hundred nineteen".

Divisors: 1 3 577 1549 1731 4647 893773 2681319