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716972641 = 71122074219
BaseRepresentation
bin101010101111000…
…010001001100001
31211222002222120021
4222233002021201
52432021111031
6155051113441
723524111150
oct5257021141
91758088507
10716972641
11338792180
12180142881
13b5702888
146b315597
1542e26511
hex2abc2261

716972641 has 16 divisors (see below), whose sum is σ = 894504960. Its totient is φ = 558294480.

The previous prime is 716972621. The next prime is 716972651. The reversal of 716972641 is 146279617.

It is a cyclic number.

It is not a de Polignac number, because 716972641 - 25 = 716972609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716972611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167830 + ... + 172048.

It is an arithmetic number, because the mean of its divisors is an integer number (55906560).

Almost surely, 2716972641 is an apocalyptic number.

It is an amenable number.

716972641 is a deficient number, since it is larger than the sum of its proper divisors (177532319).

716972641 is a wasteful number, since it uses less digits than its factorization.

716972641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444.

The product of its digits is 127008, while the sum is 43.

The square root of 716972641 is about 26776.3448028292. The cubic root of 716972641 is about 895.0229974428.

The spelling of 716972641 in words is "seven hundred sixteen million, nine hundred seventy-two thousand, six hundred forty-one".

Divisors: 1 7 11 77 2207 4219 15449 24277 29533 46409 169939 324863 9311333 65179331 102424663 716972641