Search a number
-
+
2134231 = 1117101113
BaseRepresentation
bin1000001001000011010111
311000102121121
420021003113
51021243411
6113424411
724066151
oct10110327
94012547
102134231
111228530
1286b107
13599578
143d7ad1
152c2571
hex2090d7

2134231 has 16 divisors (see below), whose sum is σ = 2511648. Its totient is φ = 1792000.

The previous prime is 2134201. The next prime is 2134241. The reversal of 2134231 is 1324312.

2134231 = T153 + T154 + ... + T253.

It is a happy number.

It is a 11-Lehmer number, since φ(2134231) divides (2134231-1)11.

It is a cyclic number.

It is not a de Polignac number, because 2134231 - 213 = 2126039 is a prime.

It is a super-2 number, since 2×21342312 = 9109883922722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134201) 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, 18831 + ... + 18943.

It is an arithmetic number, because the mean of its divisors is an integer number (156978).

22134231 is an apocalyptic number.

2134231 is a deficient number, since it is larger than the sum of its proper divisors (377417).

2134231 is a wasteful number, since it uses less digits than its factorization.

2134231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242.

The product of its digits is 144, while the sum is 16.

The square root of 2134231 is about 1460.9007495378. The cubic root of 2134231 is about 128.7499714079.

Adding to 2134231 its reverse (1324312), we get a palindrome (3458543).

It can be divided in two parts, 213 and 4231, that added together give a palindrome (4444).

The spelling of 2134231 in words is "two million, one hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 11 17 101 113 187 1111 1243 1717 1921 11413 18887 21131 125543 194021 2134231