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716211071 = 1722478239
BaseRepresentation
bin101010101100001…
…000001101111111
31211220200021212222
4222230020031333
52431322223241
6155022515555
723514456632
oct5254101577
91756607788
10716211071
11338311a84
1217ba35bbb
13b54c7044
146b197c19
1542d25a4b
hex2ab0837f

716211071 has 6 divisors (see below), whose sum is σ = 760819680. Its totient is φ = 674080736.

The previous prime is 716211049. The next prime is 716211113. The reversal of 716211071 is 170112617.

It is a de Polignac number, because none of the positive numbers 2k-716211071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 716211071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716211371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1238831 + ... + 1239408.

It is an arithmetic number, because the mean of its divisors is an integer number (126803280).

Almost surely, 2716211071 is an apocalyptic number.

716211071 is a deficient number, since it is larger than the sum of its proper divisors (44608609).

716211071 is a wasteful number, since it uses less digits than its factorization.

716211071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478273 (or 2478256 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 716211071 is about 26762.1200767054. The cubic root of 716211071 is about 894.7059866728.

Adding to 716211071 its reverse (170112617), we get a palindrome (886323688).

The spelling of 716211071 in words is "seven hundred sixteen million, two hundred eleven thousand, seventy-one".

Divisors: 1 17 289 2478239 42130063 716211071