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1142232303 = 3380744101
BaseRepresentation
bin100010000010101…
…0001010011101111
32221121022102011010
41010011101103233
54314402413203
6305202000303
740206546222
oct10405212357
92847272133
101142232303
11536840043
1227a646093
13152849604
14ab9b35b9
156a429303
hex441514ef

1142232303 has 4 divisors (see below), whose sum is σ = 1522976408. Its totient is φ = 761488200.

The previous prime is 1142232239. The next prime is 1142232307. The reversal of 1142232303 is 3032322411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3032322411 = 31010774137.

It is not a de Polignac number, because 1142232303 - 26 = 1142232239 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142232303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142232307) 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, 190372048 + ... + 190372053.

It is an arithmetic number, because the mean of its divisors is an integer number (380744102).

Almost surely, 21142232303 is an apocalyptic number.

1142232303 is a deficient number, since it is larger than the sum of its proper divisors (380744105).

1142232303 is an equidigital number, since it uses as much as digits as its factorization.

1142232303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380744104.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1142232303 is about 33796.9274195155. The cubic root of 1142232303 is about 1045.3253424092.

Adding to 1142232303 its reverse (3032322411), we get a palindrome (4174554714).

The spelling of 1142232303 in words is "one billion, one hundred forty-two million, two hundred thirty-two thousand, three hundred three".

Divisors: 1 3 380744101 1142232303