Search a number
-
+
2130859 = 8325673
BaseRepresentation
bin1000001000001110101011
311000020222201
420020032223
51021141414
6113401031
724053263
oct10101653
94006881
102130859
111225a45
12869177
13597b83
143d67a3
152c1574
hex2083ab

2130859 has 4 divisors (see below), whose sum is σ = 2156616. Its totient is φ = 2105104.

The previous prime is 2130857. The next prime is 2130901. The reversal of 2130859 is 9580312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2130859 - 21 = 2130857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2130853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12754 + ... + 12919.

It is an arithmetic number, because the mean of its divisors is an integer number (539154).

22130859 is an apocalyptic number.

2130859 is a deficient number, since it is larger than the sum of its proper divisors (25757).

2130859 is an equidigital number, since it uses as much as digits as its factorization.

2130859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25756.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 2130859 is about 1459.7462108189. The cubic root of 2130859 is about 128.6821290565.

The spelling of 2130859 in words is "two million, one hundred thirty thousand, eight hundred fifty-nine".

Divisors: 1 83 25673 2130859