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79064071 = 591340069
BaseRepresentation
bin1001011011001…
…10110000000111
312111202212111221
410231212300013
5130220022241
611502341211
71650014332
oct455466007
9174685457
1079064071
11406a2009
122258a807
13134c3398
14a701619
156e1b5d1
hex4b66c07

79064071 has 4 divisors (see below), whose sum is σ = 80404200. Its totient is φ = 77723944.

The previous prime is 79064039. The next prime is 79064077. The reversal of 79064071 is 17046097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17046097 = 19897163.

It is a cyclic number.

It is not a de Polignac number, because 79064071 - 25 = 79064039 is a prime.

It is a super-2 number, since 2×790640712 = 12502254646186082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79064077) 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, 669976 + ... + 670093.

It is an arithmetic number, because the mean of its divisors is an integer number (20101050).

Almost surely, 279064071 is an apocalyptic number.

79064071 is a deficient number, since it is larger than the sum of its proper divisors (1340129).

79064071 is a wasteful number, since it uses less digits than its factorization.

79064071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340128.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 79064071 is about 8891.7979621672. The cubic root of 79064071 is about 429.2000106978.

The spelling of 79064071 in words is "seventy-nine million, sixty-four thousand, seventy-one".

Divisors: 1 59 1340069 79064071