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71349 = 3171399
BaseRepresentation
bin10001011010110101
310121212120
4101122311
54240344
61310153
7415005
oct213265
9117776
1071349
1149673
1235359
1326625
141c005
1516219
hex116b5

71349 has 8 divisors (see below), whose sum is σ = 100800. Its totient is φ = 44736.

The previous prime is 71347. The next prime is 71353. The reversal of 71349 is 94317.

71349 = 852 + 862 + ... + 932.

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

It is not a de Polignac number, because 71349 - 21 = 71347 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71341) 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, 649 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

271349 is an apocalyptic number.

It is an amenable number.

71349 is a deficient number, since it is larger than the sum of its proper divisors (29451).

71349 is a wasteful number, since it uses less digits than its factorization.

71349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419.

The product of its digits is 756, while the sum is 24.

The square root of 71349 is about 267.1123359188. The cubic root of 71349 is about 41.4759138310.

The spelling of 71349 in words is "seventy-one thousand, three hundred forty-nine".

Divisors: 1 3 17 51 1399 4197 23783 71349