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1143241841 = 72310976473
BaseRepresentation
bin100010000100100…
…0111110001110001
32221200012200222102
41010021013301301
54320132214331
6305235350145
740221252410
oct10411076161
92850180872
101143241841
1153736a575
1227aa52355
13152b10c81
14abb97477
156a5784cb
hex44247c71

1143241841 has 16 divisors (see below), whose sum is σ = 1364822784. Its totient is φ = 936317184.

The previous prime is 1143241829. The next prime is 1143241843. The reversal of 1143241841 is 1481423411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1143241841 - 222 = 1139047537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143241843) 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 15 ways as a sum of consecutive naturals, for example, 173381 + ... + 179853.

It is an arithmetic number, because the mean of its divisors is an integer number (85301424).

Almost surely, 21143241841 is an apocalyptic number.

It is an amenable number.

1143241841 is a deficient number, since it is larger than the sum of its proper divisors (221580943).

1143241841 is a wasteful number, since it uses less digits than its factorization.

1143241841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600.

The product of its digits is 3072, while the sum is 29.

The square root of 1143241841 is about 33811.8594726762. The cubic root of 1143241841 is about 1045.6332146651.

The spelling of 1143241841 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, eight hundred forty-one".

Divisors: 1 7 23 161 1097 6473 7679 25231 45311 148879 176617 1042153 7100881 49706167 163320263 1143241841