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71030341 = 1911093371
BaseRepresentation
bin1000011101111…
…01011001000101
311221122201022101
410032331121011
5121140432331
611014232101
71521514354
oct416753105
9157581271
1071030341
1137105168
121b955631
131193c7b5
14960d99b
156381061
hex43bd645

71030341 has 8 divisors (see below), whose sum is σ = 74858400. Its totient is φ = 67211280.

The previous prime is 71030339. The next prime is 71030353. The reversal of 71030341 is 14303017.

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 71030341 - 21 = 71030339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71030381) 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, 19386 + ... + 22756.

It is an arithmetic number, because the mean of its divisors is an integer number (9357300).

Almost surely, 271030341 is an apocalyptic number.

It is an amenable number.

71030341 is a deficient number, since it is larger than the sum of its proper divisors (3828059).

71030341 is a wasteful number, since it uses less digits than its factorization.

71030341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 71030341 is about 8427.9499879864. The cubic root of 71030341 is about 414.1407508386.

Adding to 71030341 its reverse (14303017), we get a palindrome (85333358).

The spelling of 71030341 in words is "seventy-one million, thirty thousand, three hundred forty-one".

Divisors: 1 19 1109 3371 21071 64049 3738439 71030341