Search a number
-
+
2150205 = 35294943
BaseRepresentation
bin1000001100111100111101
311001020112020
420030330331
51022301310
6114030353
724163551
oct10147475
94036466
102150205
111239532
128783b9
135a3915
143dd861
152c7170
hex20cf3d

2150205 has 16 divisors (see below), whose sum is σ = 3559680. Its totient is φ = 1107008.

The previous prime is 2150171. The next prime is 2150207. The reversal of 2150205 is 5020512.

It is a cyclic number.

It is not a de Polignac number, because 2150205 - 210 = 2149181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

2150205 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2037 + ... + 2906.

It is an arithmetic number, because the mean of its divisors is an integer number (222480).

22150205 is an apocalyptic number.

It is an amenable number.

2150205 is a deficient number, since it is larger than the sum of its proper divisors (1409475).

2150205 is a wasteful number, since it uses less digits than its factorization.

2150205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2150205 is about 1466.3577326151. The cubic root of 2150205 is about 129.0703900439.

Adding to 2150205 its reverse (5020512), we get a palindrome (7170717).

The spelling of 2150205 in words is "two million, one hundred fifty thousand, two hundred five".

Divisors: 1 3 5 15 29 87 145 435 4943 14829 24715 74145 143347 430041 716735 2150205