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71701 = 710243
BaseRepresentation
bin10001100000010101
310122100121
4101200111
54243301
61311541
7416020
oct214025
9118317
1071701
1149963
12355b1
1326836
141c1b7
15163a1
hex11815

71701 has 4 divisors (see below), whose sum is σ = 81952. Its totient is φ = 61452.

The previous prime is 71699. The next prime is 71707. The reversal of 71701 is 10717.

71701 = 192 + 202 + ... + 602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10717 = 71531.

It is a cyclic number.

It is not a de Polignac number, because 71701 - 21 = 71699 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 (71707) 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, 5115 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (20488).

271701 is an apocalyptic number.

It is an amenable number.

71701 is a deficient number, since it is larger than the sum of its proper divisors (10251).

71701 is a wasteful number, since it uses less digits than its factorization.

71701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250.

The product of its (nonzero) digits is 49, while the sum is 16.

The square root of 71701 is about 267.7704240576. The cubic root of 71701 is about 41.5440090547.

Adding to 71701 its sum of digits (16), we get a palindrome (71717).

The spelling of 71701 in words is "seventy-one thousand, seven hundred one", and thus it is an iban number.

Divisors: 1 7 10243 71701