Search a number
-
+
70133839 is a prime number
BaseRepresentation
bin1000010111000…
…10100001001111
311212222011112121
410023202201033
5120423240324
610543113411
71511061556
oct413424117
9155864477
1070133839
1136652656
121b5a2867
13116b7719
149458d9d
1562555e4
hex42e284f

70133839 has 2 divisors, whose sum is σ = 70133840. Its totient is φ = 70133838.

The previous prime is 70133837. The next prime is 70133849. The reversal of 70133839 is 93833107.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70133839 - 21 = 70133837 is a prime.

Together with 70133837, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70133837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35066919 + 35066920.

It is an arithmetic number, because the mean of its divisors is an integer number (35066920).

Almost surely, 270133839 is an apocalyptic number.

70133839 is a deficient number, since it is larger than the sum of its proper divisors (1).

70133839 is an equidigital number, since it uses as much as digits as its factorization.

70133839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 70133839 is about 8374.5948558721. The cubic root of 70133839 is about 412.3910240442.

The spelling of 70133839 in words is "seventy million, one hundred thirty-three thousand, eight hundred thirty-nine".