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1243314241 = 13231237319
BaseRepresentation
bin100101000011011…
…0111100001000001
310012122111220111121
41022012313201001
510021242023431
6323212312241
742544665601
oct11206674101
93178456447
101243314241
11588900434
122a8472681
1316a77b700
14bb1a6c01
1574244611
hex4a1b7841

1243314241 has 12 divisors (see below), whose sum is σ = 1389745920. Its totient is φ = 1110648240.

The previous prime is 1243314239. The next prime is 1243314251. The reversal of 1243314241 is 1424133421.

It is not a de Polignac number, because 1243314241 - 21 = 1243314239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1243314221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113421 + ... + 123898.

It is an arithmetic number, because the mean of its divisors is an integer number (115812160).

Almost surely, 21243314241 is an apocalyptic number.

It is an amenable number.

1243314241 is a deficient number, since it is larger than the sum of its proper divisors (146431679).

1243314241 is a wasteful number, since it uses less digits than its factorization.

1243314241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237376 (or 237363 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1243314241 is about 35260.6613806378. The cubic root of 1243314241 is about 1075.2933732557.

Adding to 1243314241 its reverse (1424133421), we get a palindrome (2667447662).

The spelling of 1243314241 in words is "one billion, two hundred forty-three million, three hundred fourteen thousand, two hundred forty-one".

Divisors: 1 13 31 169 403 5239 237319 3085147 7356889 40106911 95639557 1243314241