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392872043 is a prime number
BaseRepresentation
bin10111011010101…
…100000001101011
31000101020222010102
4113122230001223
51301033401133
6102552340015
712510233354
oct2732540153
91011228112
10392872043
11191847643
12ab6a460b
1363517085
143a26ad2b
15247567e8
hex176ac06b

392872043 has 2 divisors, whose sum is σ = 392872044. Its totient is φ = 392872042.

The previous prime is 392872027. The next prime is 392872069. The reversal of 392872043 is 340278293.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (340278293) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 392872043 - 24 = 392872027 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 392871988 and 392872006.

It is not a weakly prime, because it can be changed into another prime (392872003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196436021 + 196436022.

It is an arithmetic number, because the mean of its divisors is an integer number (196436022).

Almost surely, 2392872043 is an apocalyptic number.

392872043 is a deficient number, since it is larger than the sum of its proper divisors (1).

392872043 is an equidigital number, since it uses as much as digits as its factorization.

392872043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 392872043 is about 19821.0000504515. Note that the first 4 decimals coincide. The cubic root of 392872043 is about 732.4034393794.

The spelling of 392872043 in words is "three hundred ninety-two million, eight hundred seventy-two thousand, forty-three".