Search a number
-
+
70135179 = 323378393
BaseRepresentation
bin1000010111000…
…10110110001011
311212222020101020
410023202312023
5120423311204
610543123523
71511065512
oct413426613
9155866336
1070135179
1136653664
121b5a35a3
13116b820a
149459679
156255bd9
hex42e2d8b

70135179 has 4 divisors (see below), whose sum is σ = 93513576. Its totient is φ = 46756784.

The previous prime is 70135159. The next prime is 70135181. The reversal of 70135179 is 97153107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97153107 = 332384369.

It is a cyclic number.

It is not a de Polignac number, because 70135179 - 29 = 70134667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70135159) 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 in 3 ways as a sum of consecutive naturals, for example, 11689194 + ... + 11689199.

It is an arithmetic number, because the mean of its divisors is an integer number (23378394).

Almost surely, 270135179 is an apocalyptic number.

70135179 is a deficient number, since it is larger than the sum of its proper divisors (23378397).

70135179 is a wasteful number, since it uses less digits than its factorization.

70135179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23378396.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 70135179 is about 8374.6748593602. The cubic root of 70135179 is about 412.3936504532.

The spelling of 70135179 in words is "seventy million, one hundred thirty-five thousand, one hundred seventy-nine".

Divisors: 1 3 23378393 70135179