Search a number
-
+
1055630843 is a prime number
BaseRepresentation
bin111110111010111…
…010010111111011
32201120100121021122
4332322322113323
54130220141333
6252425455455
735105466641
oct7672722773
92646317248
101055630843
114a1970093
1225564158b
1313a917547
14a02ad191
1562a1e798
hex3eeba5fb

1055630843 has 2 divisors, whose sum is σ = 1055630844. Its totient is φ = 1055630842.

The previous prime is 1055630801. The next prime is 1055630867. The reversal of 1055630843 is 3480365501.

It is a strong prime.

It is an emirp because it is prime and its reverse (3480365501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1055630843 - 214 = 1055614459 is a prime.

It is a super-2 number, since 2×10556308432 = 2228712953385781298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1055630143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527815421 + 527815422.

It is an arithmetic number, because the mean of its divisors is an integer number (527815422).

Almost surely, 21055630843 is an apocalyptic number.

1055630843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055630843 is an equidigital number, since it uses as much as digits as its factorization.

1055630843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 1055630843 is about 32490.4731113599. The cubic root of 1055630843 is about 1018.2099974887.

The spelling of 1055630843 in words is "one billion, fifty-five million, six hundred thirty thousand, eight hundred forty-three".