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716891242 = 21997119429
BaseRepresentation
bin101010101110101…
…110010001101010
31211221221211220111
4222232232101222
52432011004432
6155045244534
723523321634
oct5256562152
91757854814
10716891242
11338737001
1218010374a
13b56a4802
146b2d3a54
1542e0c347
hex2abae46a

716891242 has 16 divisors (see below), whose sum is σ = 1133157600. Its totient is φ = 339212880.

The previous prime is 716891221. The next prime is 716891297. The reversal of 716891242 is 242198617.

It is a junction number, because it is equal to n+sod(n) for n = 716891195 and 716891204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27184 + ... + 46612.

It is an arithmetic number, because the mean of its divisors is an integer number (70822350).

Almost surely, 2716891242 is an apocalyptic number.

716891242 is a deficient number, since it is larger than the sum of its proper divisors (416266358).

716891242 is a wasteful number, since it uses less digits than its factorization.

716891242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20421.

The product of its digits is 48384, while the sum is 40.

The square root of 716891242 is about 26774.8247800056. The cubic root of 716891242 is about 894.9891250512.

The spelling of 716891242 in words is "seven hundred sixteen million, eight hundred ninety-one thousand, two hundred forty-two".

Divisors: 1 2 19 38 971 1942 18449 19429 36898 38858 369151 738302 18865559 37731118 358445621 716891242