Search a number
-
+
1143233 = 71317739
BaseRepresentation
bin100010111000111000001
32011002012222
410113013001
5243040413
640300425
712501020
oct4270701
92132188
101143233
11710a23
12471715
13310490
1421a8b7
15178b08
hex1171c1

1143233 has 16 divisors (see below), whose sum is σ = 1491840. Its totient is φ = 850176.

The previous prime is 1143227. The next prime is 1143239. The reversal of 1143233 is 3323411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1143227) and next prime (1143239).

It is a cyclic number.

It is not a de Polignac number, because 1143233 - 24 = 1143217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1143239) 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, 1178 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

21143233 is an apocalyptic number.

1143233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1143233 is a deficient number, since it is larger than the sum of its proper divisors (348607).

1143233 is a wasteful number, since it uses less digits than its factorization.

1143233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776.

The product of its digits is 216, while the sum is 17.

The square root of 1143233 is about 1069.2207442806. The cubic root of 1143233 is about 104.5630519269.

Adding to 1143233 its reverse (3323411), we get a palindrome (4466644).

The spelling of 1143233 in words is "one million, one hundred forty-three thousand, two hundred thirty-three".

Divisors: 1 7 13 17 91 119 221 739 1547 5173 9607 12563 67249 87941 163319 1143233