Search a number
-
+
70106879 is a prime number
BaseRepresentation
bin1000010110110…
…11111011111111
311212220210120002
410023123323333
5120421410004
610542344515
71510620143
oct413337377
9155823502
1070106879
1136634377
121b58b13b
13116a837b
14944d223
15624c61e
hex42dbeff

70106879 has 2 divisors, whose sum is σ = 70106880. Its totient is φ = 70106878.

The previous prime is 70106867. The next prime is 70106893. The reversal of 70106879 is 97860107.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (97860107) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70106879 - 220 = 69058303 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70106819) 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, 35053439 + 35053440.

It is an arithmetic number, because the mean of its divisors is an integer number (35053440).

Almost surely, 270106879 is an apocalyptic number.

70106879 is a deficient number, since it is larger than the sum of its proper divisors (1).

70106879 is an equidigital number, since it uses as much as digits as its factorization.

70106879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 70106879 is about 8372.9850710484. The cubic root of 70106879 is about 412.3381751527.

The spelling of 70106879 in words is "seventy million, one hundred six thousand, eight hundred seventy-nine".