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71338134 = 2372373849
BaseRepresentation
bin1000100000010…
…00100010010110
311222020100112010
410100020202112
5121230310014
611025005050
71524235620
oct420104226
9158210463
1071338134
11372a543a
121ba83786
1311a1991a
14968dc10
1563e2359
hex4408896

71338134 has 32 divisors (see below), whose sum is σ = 170150400. Its totient is φ = 19495872.

The previous prime is 71338133. The next prime is 71338147. The reversal of 71338134 is 43183317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71338133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35959 + ... + 37890.

It is an arithmetic number, because the mean of its divisors is an integer number (5317200).

Almost surely, 271338134 is an apocalyptic number.

71338134 is an abundant number, since it is smaller than the sum of its proper divisors (98812266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71338134 is a wasteful number, since it uses less digits than its factorization.

71338134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73884.

The product of its digits is 6048, while the sum is 30.

The square root of 71338134 is about 8446.1905022324. The cubic root of 71338134 is about 414.7380821789.

It can be divided in two parts, 713381 and 34, that added together give a triangular number (713415 = T1194).

The spelling of 71338134 in words is "seventy-one million, three hundred thirty-eight thousand, one hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 73849 147698 221547 443094 516943 1033886 1550829 1698527 3101658 3397054 5095581 10191162 11889689 23779378 35669067 71338134