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71014523 = 442116063
BaseRepresentation
bin1000011101110…
…01100001111011
311221121220121112
410032321201323
5121134431043
611014030535
71521420266
oct416714173
9157556545
1071014523
11370a4298
121b94844b
1311935538
149607cdd
15637b518
hex43b987b

71014523 has 4 divisors (see below), whose sum is σ = 71035008. Its totient is φ = 70994040.

The previous prime is 71014519. The next prime is 71014529. The reversal of 71014523 is 32541017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32541017 = 38983653.

It is a cyclic number.

It is not a de Polignac number, because 71014523 - 22 = 71014519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71014529) 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, 3611 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (17758752).

Almost surely, 271014523 is an apocalyptic number.

71014523 is a deficient number, since it is larger than the sum of its proper divisors (20485).

71014523 is a wasteful number, since it uses less digits than its factorization.

71014523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20484.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 71014523 is about 8427.0115106128. The cubic root of 71014523 is about 414.1100063960.

The spelling of 71014523 in words is "seventy-one million, fourteen thousand, five hundred twenty-three".

Divisors: 1 4421 16063 71014523