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2680129 = 41131499
BaseRepresentation
bin1010001110010101000001
312001011110001
422032111001
51141231004
6133240001
731531534
oct12162501
95034401
102680129
111570691
12a93001
1372ab9a
144daa1b
1537e1a4
hex28e541

2680129 has 8 divisors (see below), whose sum is σ = 2772000. Its totient is φ = 2589600.

The previous prime is 2680127. The next prime is 2680133. The reversal of 2680129 is 9210862.

It is a happy number.

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 2680129 - 21 = 2680127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2680097 and 2680106.

It is not an unprimeable number, because it can be changed into a prime (2680123) 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, 5122 + ... + 5620.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

22680129 is an apocalyptic number.

It is an amenable number.

2680129 is a deficient number, since it is larger than the sum of its proper divisors (91871).

2680129 is a wasteful number, since it uses less digits than its factorization.

2680129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2680129 is about 1637.1099535462. The cubic root of 2680129 is about 138.9052197923.

It can be divided in two parts, 2680 and 129, that added together give a square (2809 = 532).

The spelling of 2680129 in words is "two million, six hundred eighty thousand, one hundred twenty-nine".

Divisors: 1 41 131 499 5371 20459 65369 2680129