Search a number
-
+
2530211 = 19133169
BaseRepresentation
bin1001101001101110100011
311202112210112
421221232203
51121431321
6130121535
730335465
oct11515643
94675715
102530211
111478a92
12a202ab
136a7888
1449c135
1534ea5b
hex269ba3

2530211 has 4 divisors (see below), whose sum is σ = 2663400. Its totient is φ = 2397024.

The previous prime is 2530201. The next prime is 2530223. The reversal of 2530211 is 1120352.

It is a happy number.

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 2530211 - 210 = 2529187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530201) 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, 66566 + ... + 66603.

It is an arithmetic number, because the mean of its divisors is an integer number (665850).

22530211 is an apocalyptic number.

2530211 is a deficient number, since it is larger than the sum of its proper divisors (133189).

2530211 is a wasteful number, since it uses less digits than its factorization.

2530211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133188.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2530211 is about 1590.6636979576. The cubic root of 2530211 is about 136.2653951125.

Adding to 2530211 its reverse (1120352), we get a palindrome (3650563).

The spelling of 2530211 in words is "two million, five hundred thirty thousand, two hundred eleven".

Divisors: 1 19 133169 2530211