Search a number
-
+
70839107 is a prime number
BaseRepresentation
bin1000011100011…
…10101101000011
311221021222222122
410032032231003
5121113322412
611010154455
71520060003
oct416165503
9157258878
1070839107
1136a94519
121b882a2b
13118a3741
1495a0003
156344572
hex438eb43

70839107 has 2 divisors, whose sum is σ = 70839108. Its totient is φ = 70839106.

The previous prime is 70839101. The next prime is 70839133. The reversal of 70839107 is 70193807.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70839107 - 210 = 70838083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70839101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35419553 + 35419554.

It is an arithmetic number, because the mean of its divisors is an integer number (35419554).

Almost surely, 270839107 is an apocalyptic number.

70839107 is a deficient number, since it is larger than the sum of its proper divisors (1).

70839107 is an equidigital number, since it uses as much as digits as its factorization.

70839107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 70839107 is about 8416.5971152242. The cubic root of 70839107 is about 413.7687550027.

The spelling of 70839107 in words is "seventy million, eight hundred thirty-nine thousand, one hundred seven".