Search a number
-
+
2065972 = 22516493
BaseRepresentation
bin111111000011000110100
310212221222111
413320120310
51012102342
6112140404
723363146
oct7703064
93787874
102065972
111191217
12837704
1357448c
143bac96
152ac217
hex1f8634

2065972 has 6 divisors (see below), whose sum is σ = 3615458. Its totient is φ = 1032984.

The previous prime is 2065967. The next prime is 2065991. The reversal of 2065972 is 2795602.

It can be written as a sum of positive squares in only one way, i.e., 1648656 + 417316 = 1284^2 + 646^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 258243 + ... + 258250.

22065972 is an apocalyptic number.

It is an amenable number.

2065972 is a deficient number, since it is larger than the sum of its proper divisors (1549486).

2065972 is a wasteful number, since it uses less digits than its factorization.

2065972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516497 (or 516495 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2065972 is about 1437.3489485856. The cubic root of 2065972 is about 127.3624712122.

The spelling of 2065972 in words is "two million, sixty-five thousand, nine hundred seventy-two".

Divisors: 1 2 4 516493 1032986 2065972