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71039068 = 2259301013
BaseRepresentation
bin1000011101111…
…11100001011100
311221200011021121
410032333201130
5121141222233
611014340324
71521551662
oct416774134
9157604247
1071039068
1137110781
121b95a6a4
1311943769
149612c32
15638392d
hex43bf85c

71039068 has 12 divisors (see below), whose sum is σ = 126425880. Its totient is φ = 34917392.

The previous prime is 71039063. The next prime is 71039071. The reversal of 71039068 is 86093017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71039063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150271 + ... + 150742.

It is an arithmetic number, because the mean of its divisors is an integer number (10535490).

Almost surely, 271039068 is an apocalyptic number.

It is an amenable number.

71039068 is a deficient number, since it is larger than the sum of its proper divisors (55386812).

71039068 is a wasteful number, since it uses less digits than its factorization.

71039068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301076 (or 301074 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 71039068 is about 8428.4677136476. The cubic root of 71039068 is about 414.1577110009.

The spelling of 71039068 in words is "seventy-one million, thirty-nine thousand, sixty-eight".

Divisors: 1 2 4 59 118 236 301013 602026 1204052 17759767 35519534 71039068