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71035423 = 531340291
BaseRepresentation
bin1000011101111…
…10101000011111
311221122222021121
410032332220133
5121141113143
611014311411
71521535234
oct416765037
9157588247
1071035423
1137108a68
121b958567
1311941bc4
14961178b
1563827ed
hex43bea1f

71035423 has 4 divisors (see below), whose sum is σ = 72375768. Its totient is φ = 69695080.

The previous prime is 71035397. The next prime is 71035427. The reversal of 71035423 is 32453017.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71035423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71035427) 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, 670093 + ... + 670198.

It is an arithmetic number, because the mean of its divisors is an integer number (18093942).

Almost surely, 271035423 is an apocalyptic number.

71035423 is a deficient number, since it is larger than the sum of its proper divisors (1340345).

71035423 is a wasteful number, since it uses less digits than its factorization.

71035423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340344.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 71035423 is about 8428.2514793995. The cubic root of 71035423 is about 414.1506274307.

The spelling of 71035423 in words is "seventy-one million, thirty-five thousand, four hundred twenty-three".

Divisors: 1 53 1340291 71035423