Search a number
-
+
8142907 is a prime number
BaseRepresentation
bin11111000100000000111011
3120022200222011
4133010000323
54041033112
6450310351
7126133153
oct37040073
916280864
108142907
114661983
1228883b7
1318c14b6
14111d763
15aacaa7
hex7c403b

8142907 has 2 divisors, whose sum is σ = 8142908. Its totient is φ = 8142906.

The previous prime is 8142857. The next prime is 8142917. The reversal of 8142907 is 7092418.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8142907 is a prime.

It is a Chen prime.

8142907 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8142917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4071453 + 4071454.

It is an arithmetic number, because the mean of its divisors is an integer number (4071454).

Almost surely, 28142907 is an apocalyptic number.

8142907 is a deficient number, since it is larger than the sum of its proper divisors (1).

8142907 is an equidigital number, since it uses as much as digits as its factorization.

8142907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8142907 is about 2853.5779295474. The cubic root of 8142907 is about 201.1838700975.

It can be divided in two parts, 814 and 2907, that added together give a square (3721 = 612).

The spelling of 8142907 in words is "eight million, one hundred forty-two thousand, nine hundred seven".