Search a number
-
+
2132170 = 25213217
BaseRepresentation
bin1000001000100011001010
311000022210021
420020203022
51021212140
6113411054
724060145
oct10104312
94008707
102132170
111226a27
12869a8a
13598651
143d705c
152c1b4a
hex2088ca

2132170 has 8 divisors (see below), whose sum is σ = 3837924. Its totient is φ = 852864.

The previous prime is 2132153. The next prime is 2132171. The reversal of 2132170 is 712312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1718721 + 413449 = 1311^2 + 643^2 .

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

It is a super-2 number, since 2×21321702 = 9092297817800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2132171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106599 + ... + 106618.

22132170 is an apocalyptic number.

2132170 is a deficient number, since it is larger than the sum of its proper divisors (1705754).

2132170 is a wasteful number, since it uses less digits than its factorization.

2132170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213224.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2132170 is about 1460.1951924315. The cubic root of 2132170 is about 128.7085139847.

Adding to 2132170 its reverse (712312), we get a palindrome (2844482).

The spelling of 2132170 in words is "two million, one hundred thirty-two thousand, one hundred seventy".

Divisors: 1 2 5 10 213217 426434 1066085 2132170