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2680230 = 235712763
BaseRepresentation
bin1010001110010110100110
312001011120210
422032112212
51141231410
6133240250
731532040
oct12162646
95034523
102680230
111570773
12a93086
1372ac47
144daa90
1537e220
hex28e5a6

2680230 has 32 divisors (see below), whose sum is σ = 7352064. Its totient is φ = 612576.

The previous prime is 2680141. The next prime is 2680231. The reversal of 2680230 is 320862.

2680230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2680197 and 2680206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6172 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (229752).

22680230 is an apocalyptic number.

2680230 is an abundant number, since it is smaller than the sum of its proper divisors (4671834).

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

2680230 is a wasteful number, since it uses less digits than its factorization.

2680230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2680230 is about 1637.1408002979. The cubic root of 2680230 is about 138.9069646400.

The spelling of 2680230 in words is "two million, six hundred eighty thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 12763 25526 38289 63815 76578 89341 127630 178682 191445 268023 382890 446705 536046 893410 1340115 2680230