Search a number
-
+
2105799 = 33122643
BaseRepresentation
bin1000000010000111000111
310221222121120
420002013013
51014341144
6113045023
723620233
oct10020707
93858546
102105799
111209133
12856773
13589647
143cb5c3
152b8e19
hex2021c7

2105799 has 8 divisors (see below), whose sum is σ = 2898432. Its totient is φ = 1358520.

The previous prime is 2105767. The next prime is 2105809. The reversal of 2105799 is 9975012.

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

It is not a de Polignac number, because 2105799 - 25 = 2105767 is a prime.

2105799 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105729) 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, 11229 + ... + 11414.

It is an arithmetic number, because the mean of its divisors is an integer number (362304).

22105799 is an apocalyptic number.

2105799 is a deficient number, since it is larger than the sum of its proper divisors (792633).

2105799 is a wasteful number, since it uses less digits than its factorization.

2105799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22677.

The product of its (nonzero) digits is 5670, while the sum is 33.

The square root of 2105799 is about 1451.1371403145. The cubic root of 2105799 is about 128.1756824276.

The spelling of 2105799 in words is "two million, one hundred five thousand, seven hundred ninety-nine".

Divisors: 1 3 31 93 22643 67929 701933 2105799