Search a number
-
+
2141231 = 2393097
BaseRepresentation
bin1000001010110000101111
311000210012212
420022300233
51022004411
6113521035
724125441
oct10126057
94023185
102141231
111232814
1287317b
1359c801
143da491
152c468b
hex20ac2f

2141231 has 4 divisors (see below), whose sum is σ = 2234352. Its totient is φ = 2048112.

The previous prime is 2141219. The next prime is 2141257. The reversal of 2141231 is 1321412.

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 2141231 - 210 = 2140207 is a prime.

It is a super-2 number, since 2×21412312 = 9169740390722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141261) 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, 46526 + ... + 46571.

It is an arithmetic number, because the mean of its divisors is an integer number (558588).

22141231 is an apocalyptic number.

2141231 is a deficient number, since it is larger than the sum of its proper divisors (93121).

2141231 is an equidigital number, since it uses as much as digits as its factorization.

2141231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93120.

The product of its digits is 48, while the sum is 14.

The square root of 2141231 is about 1463.2945704813. The cubic root of 2141231 is about 128.8905788467.

Adding to 2141231 its reverse (1321412), we get a palindrome (3462643).

The spelling of 2141231 in words is "two million, one hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 23 93097 2141231