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7984494736 = 248922512
BaseRepresentation
bin1110110111110100…
…11011100010010000
3202121110020100200021
413123322123202100
5112323012312421
63400143233224
7401602041211
oct73372334220
922543210607
107984494736
113428048089
121669ba8814
139a32747ca
1455a5cd408
1531ae86341
hex1dbe9b890

7984494736 has 45 divisors (see below), whose sum is σ = 15708313273. Its totient is φ = 3931664000.

The previous prime is 7984494719. The next prime is 7984494769. The reversal of 7984494736 is 6374944897.

The square root of 7984494736 is 89356.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1533192336 + 6451302400 = 39156^2 + 80320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31810611 + ... + 31810861.

Almost surely, 27984494736 is an apocalyptic number.

7984494736 is the 89356-th square number.

It is an amenable number.

7984494736 is a deficient number, since it is larger than the sum of its proper divisors (7723818537).

7984494736 is an frugal number, since it uses more digits than its factorization.

7984494736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 342 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 61.

The cubic root of 7984494736 is about 1998.7070589986.

The spelling of 7984494736 in words is "seven billion, nine hundred eighty-four million, four hundred ninety-four thousand, seven hundred thirty-six".

Divisors: 1 2 4 8 16 89 178 251 356 502 712 1004 1424 2008 4016 7921 15842 22339 31684 44678 63001 63368 89356 126002 126736 178712 252004 357424 504008 1008016 1988171 3976342 5607089 7952684 11214178 15905368 22428356 31810736 44856712 89713424 499030921 998061842 1996123684 3992247368 7984494736