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2680855 = 51094919
BaseRepresentation
bin1010001110100000010111
312001012102221
422032200113
51141241410
6133243211
731533622
oct12164027
95035387
102680855
111571191
12a93507
1372b308
144dadb9
1537e4da
hex28e817

2680855 has 8 divisors (see below), whose sum is σ = 3247200. Its totient is φ = 2124576.

The previous prime is 2680837. The next prime is 2680877. The reversal of 2680855 is 5580862.

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 2680855 - 25 = 2680823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2680855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915 + ... + 3004.

It is an arithmetic number, because the mean of its divisors is an integer number (405900).

22680855 is an apocalyptic number.

2680855 is a deficient number, since it is larger than the sum of its proper divisors (566345).

2680855 is a wasteful number, since it uses less digits than its factorization.

2680855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2680855 is about 1637.3316707375. The cubic root of 2680855 is about 138.9177609903.

The spelling of 2680855 in words is "two million, six hundred eighty thousand, eight hundred fifty-five".

Divisors: 1 5 109 545 4919 24595 536171 2680855