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1241143223 = 4217294319
BaseRepresentation
bin100100111111010…
…0101011110110111
310012111102121102112
41021332211132313
510020213040343
6323054001235
742520354235
oct11176453667
93174377375
101241143223
11587658301
122a77a621b
1316a19b498
14bab9d955
1573e66218
hex49fa57b7

1241143223 has 4 divisors (see below), whose sum is σ = 1241441760. Its totient is φ = 1240844688.

The previous prime is 1241143217. The next prime is 1241143237. The reversal of 1241143223 is 3223411421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3223411421 = 10333120437.

It is a cyclic number.

It is not a de Polignac number, because 1241143223 - 26 = 1241143159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241143243) 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, 142943 + ... + 151376.

It is an arithmetic number, because the mean of its divisors is an integer number (310360440).

Almost surely, 21241143223 is an apocalyptic number.

1241143223 is a deficient number, since it is larger than the sum of its proper divisors (298537).

1241143223 is an equidigital number, since it uses as much as digits as its factorization.

1241143223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298536.

The product of its digits is 1152, while the sum is 23.

The square root of 1241143223 is about 35229.8626593974. The cubic root of 1241143223 is about 1074.6671327074.

Adding to 1241143223 its reverse (3223411421), we get a palindrome (4464554644).

The spelling of 1241143223 in words is "one billion, two hundred forty-one million, one hundred forty-three thousand, two hundred twenty-three".

Divisors: 1 4217 294319 1241143223