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1492279871 is a prime number
BaseRepresentation
bin101100011110010…
…0110001000111111
310211222222200010212
41120330212020333
511024010423441
6404024423035
751660112115
oct13074461077
93758880125
101492279871
116a6397a55
12357917a7b
131aa21b354
14102293ab5
158b021eeb
hex58f2623f

1492279871 has 2 divisors, whose sum is σ = 1492279872. Its totient is φ = 1492279870.

The previous prime is 1492279847. The next prime is 1492279879. The reversal of 1492279871 is 1789722941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1492279871 - 230 = 418538047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492279879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746139935 + 746139936.

It is an arithmetic number, because the mean of its divisors is an integer number (746139936).

Almost surely, 21492279871 is an apocalyptic number.

1492279871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492279871 is an equidigital number, since it uses as much as digits as its factorization.

1492279871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 50.

The square root of 1492279871 is about 38630.0384545498. The cubic root of 1492279871 is about 1142.7470100368.

The spelling of 1492279871 in words is "one billion, four hundred ninety-two million, two hundred seventy-nine thousand, eight hundred seventy-one".