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71277113 = 197152837
BaseRepresentation
bin1000011111110…
…01101000111001
311222010020211002
410033321220321
5121221331423
611023414345
71523562665
oct417715071
9158106732
1071277113
1137263606
121ba543b5
13119c7c0b
1496758a5
1563ce228
hex43f9a39

71277113 has 8 divisors (see below), whose sum is σ = 76086720. Its totient is φ = 66573360.

The previous prime is 71277109. The next prime is 71277119. The reversal of 71277113 is 31177217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71277113 - 22 = 71277109 is a prime.

It is a super-2 number, since 2×712771132 = 10160853675229538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71277119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25070 + ... + 27767.

It is an arithmetic number, because the mean of its divisors is an integer number (9510840).

Almost surely, 271277113 is an apocalyptic number.

It is an amenable number.

71277113 is a deficient number, since it is larger than the sum of its proper divisors (4809607).

71277113 is a wasteful number, since it uses less digits than its factorization.

71277113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52927.

The product of its digits is 2058, while the sum is 29.

The square root of 71277113 is about 8442.5773908209. The cubic root of 71277113 is about 414.6197959720.

The spelling of 71277113 in words is "seventy-one million, two hundred seventy-seven thousand, one hundred thirteen".

Divisors: 1 19 71 1349 52837 1003903 3751427 71277113