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1241223243 = 31331826237
BaseRepresentation
bin100100111111011…
…1001000001001011
310012111120200012020
41021332321001023
510020223120433
6323055415523
742521136441
oct11176710113
93174520166
101241223243
11587702437
122a78245a3
1316a1c8a30
14babc0b91
1573e7ecb3
hex49fb904b

1241223243 has 8 divisors (see below), whose sum is σ = 1782269328. Its totient is φ = 763829664.

The previous prime is 1241223223. The next prime is 1241223283. The reversal of 1241223243 is 3423221421.

It is a happy number.

1241223243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1241223243 - 25 = 1241223211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241223223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15913080 + ... + 15913157.

It is an arithmetic number, because the mean of its divisors is an integer number (222783666).

Almost surely, 21241223243 is an apocalyptic number.

1241223243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1241223243 is a deficient number, since it is larger than the sum of its proper divisors (541046085).

1241223243 is a wasteful number, since it uses less digits than its factorization.

1241223243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31826253.

The product of its digits is 2304, while the sum is 24.

The square root of 1241223243 is about 35230.9983253384. The cubic root of 1241223243 is about 1074.6902278169.

Adding to 1241223243 its reverse (3423221421), we get a palindrome (4664444664).

The spelling of 1241223243 in words is "one billion, two hundred forty-one million, two hundred twenty-three thousand, two hundred forty-three".

Divisors: 1 3 13 39 31826237 95478711 413741081 1241223243