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71302 = 2711463
BaseRepresentation
bin10001011010000110
310121210211
4101122012
54240202
61310034
7414610
oct213206
9117724
1071302
1149630
123531a
13265ba
141bdb0
15161d7
hex11686

71302 has 16 divisors (see below), whose sum is σ = 133632. Its totient is φ = 27720.

The previous prime is 71293. The next prime is 71317. The reversal of 71302 is 20317.

It is a congruent number.

It is an unprimeable number.

71302 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78 + ... + 385.

It is an arithmetic number, because the mean of its divisors is an integer number (8352).

271302 is an apocalyptic number.

71302 is a deficient number, since it is larger than the sum of its proper divisors (62330).

71302 is a wasteful number, since it uses less digits than its factorization.

71302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 42, while the sum is 13.

The square root of 71302 is about 267.0243434595. The cubic root of 71302 is about 41.4668046346.

Subtracting from 71302 its sum of digits (13), we obtain a square (71289 = 2672).

Adding to 71302 its reverse (20317), we get a palindrome (91619).

It can be divided in two parts, 71 and 302, that added together give a palindrome (373).

The spelling of 71302 in words is "seventy-one thousand, three hundred two", and thus it is an iban number.

Divisors: 1 2 7 11 14 22 77 154 463 926 3241 5093 6482 10186 35651 71302