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2135855 = 51093919
BaseRepresentation
bin1000001001011100101111
311000111211202
420021130233
51021321410
6113440115
724103661
oct10113457
94014752
102135855
111229777
1287003b
1359a227
143d8531
152c2ca5
hex20972f

2135855 has 8 divisors (see below), whose sum is σ = 2587200. Its totient is φ = 1692576.

The previous prime is 2135851. The next prime is 2135857. The reversal of 2135855 is 5585312.

2135855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2135855 - 22 = 2135851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135851) 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 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 2504.

It is an arithmetic number, because the mean of its divisors is an integer number (323400).

22135855 is an apocalyptic number.

2135855 is a deficient number, since it is larger than the sum of its proper divisors (451345).

2135855 is a wasteful number, since it uses less digits than its factorization.

2135855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033.

The product of its digits is 6000, while the sum is 29.

The square root of 2135855 is about 1461.4564653112. The cubic root of 2135855 is about 128.7826196923.

The spelling of 2135855 in words is "two million, one hundred thirty-five thousand, eight hundred fifty-five".

Divisors: 1 5 109 545 3919 19595 427171 2135855