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71013837 = 329816251
BaseRepresentation
bin1000011101110…
…01010111001101
311221121212200010
410032321113031
5121134420322
611014023433
71521415266
oct416712715
9157555603
1071013837
11370a3824
121b947b79
131193512b
14960796d
15637b20c
hex43b95cd

71013837 has 8 divisors (see below), whose sum is σ = 97950240. Its totient is φ = 45710000.

The previous prime is 71013829. The next prime is 71013869. The reversal of 71013837 is 73831017.

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 71013837 - 23 = 71013829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71013737) 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, 408039 + ... + 408212.

It is an arithmetic number, because the mean of its divisors is an integer number (12243780).

Almost surely, 271013837 is an apocalyptic number.

It is an amenable number.

71013837 is a deficient number, since it is larger than the sum of its proper divisors (26936403).

71013837 is a wasteful number, since it uses less digits than its factorization.

71013837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816283.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 71013837 is about 8426.9708080662. The cubic root of 71013837 is about 414.1086729580.

The spelling of 71013837 in words is "seventy-one million, thirteen thousand, eight hundred thirty-seven".

Divisors: 1 3 29 87 816251 2448753 23671279 71013837