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71713135 = 5131103279
BaseRepresentation
bin1000100011001…
…00000101101111
311222221101221001
410101210011233
5121324310020
611041021131
71530360124
oct421440557
9158841831
1071713135
113753115a
12200247a7
1311b1b510
14974a74b
15646850a
hex446416f

71713135 has 8 divisors (see below), whose sum is σ = 92675520. Its totient is φ = 52957344.

The previous prime is 71713133. The next prime is 71713139. The reversal of 71713135 is 53131717.

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 71713135 - 21 = 71713133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71713133) 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, 551575 + ... + 551704.

It is an arithmetic number, because the mean of its divisors is an integer number (11584440).

Almost surely, 271713135 is an apocalyptic number.

71713135 is a deficient number, since it is larger than the sum of its proper divisors (20962385).

71713135 is a wasteful number, since it uses less digits than its factorization.

71713135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103297.

The product of its digits is 2205, while the sum is 28.

The square root of 71713135 is about 8468.3608213160. The cubic root of 71713135 is about 415.4635262089.

The spelling of 71713135 in words is "seventy-one million, seven hundred thirteen thousand, one hundred thirty-five".

Divisors: 1 5 13 65 1103279 5516395 14342627 71713135