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71337071 = 1329189223
BaseRepresentation
bin1000100000010…
…00010001101111
311222020022001202
410100020101233
5121230241241
611025000115
71524232541
oct420102157
9158208052
1071337071
11372a4663
121ba8303b
1311a192b0
14968d691
1563e1d9b
hex440846f

71337071 has 8 divisors (see below), whose sum is σ = 79474080. Its totient is φ = 63578592.

The previous prime is 71337067. The next prime is 71337131. The reversal of 71337071 is 17073317.

It is a happy number.

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 71337071 - 22 = 71337067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71337011) 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, 94235 + ... + 94988.

It is an arithmetic number, because the mean of its divisors is an integer number (9934260).

Almost surely, 271337071 is an apocalyptic number.

71337071 is a deficient number, since it is larger than the sum of its proper divisors (8137009).

71337071 is a wasteful number, since it uses less digits than its factorization.

71337071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189265.

The product of its (nonzero) digits is 3087, while the sum is 29.

The square root of 71337071 is about 8446.1275742200. The cubic root of 71337071 is about 414.7360221831.

The spelling of 71337071 in words is "seventy-one million, three hundred thirty-seven thousand, seventy-one".

Divisors: 1 13 29 377 189223 2459899 5487467 71337071