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1230240943 is a prime number
BaseRepresentation
bin100100101010011…
…1111110010101111
310011201220201022101
41021110333302233
510004420202233
6322024155531
742325606201
oct11124776257
93151821271
101230240943
11581491258
122a4008ba7
13167b52029
14b9562771
1573010c7d
hex4953fcaf

1230240943 has 2 divisors, whose sum is σ = 1230240944. Its totient is φ = 1230240942.

The previous prime is 1230240917. The next prime is 1230240967. The reversal of 1230240943 is 3490420321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1230240943 - 25 = 1230240911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230243943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615120471 + 615120472.

It is an arithmetic number, because the mean of its divisors is an integer number (615120472).

Almost surely, 21230240943 is an apocalyptic number.

1230240943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230240943 is an equidigital number, since it uses as much as digits as its factorization.

1230240943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1230240943 is about 35074.7907050064. The cubic root of 1230240943 is about 1071.5112261729.

The spelling of 1230240943 in words is "one billion, two hundred thirty million, two hundred forty thousand, nine hundred forty-three".