Search a number
-
+
2947968808 = 233129714001
BaseRepresentation
bin1010111110110110…
…0110111100101000
321121110010022221221
42233231212330220
522014140000213
61204305111424
7133024215151
oct25755467450
97543108857
102947968808
111283062664
126a3328574
1337c997755
141dd740928
15123c1738d
hexafb66f28

2947968808 has 32 divisors (see below), whose sum is σ = 5709093120. Its totient is φ = 1425600000.

The previous prime is 2947968799. The next prime is 2947968887. The reversal of 2947968808 is 8088697492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734808 + ... + 738808.

It is an arithmetic number, because the mean of its divisors is an integer number (178409160).

Almost surely, 22947968808 is an apocalyptic number.

It is an amenable number.

2947968808 is a deficient number, since it is larger than the sum of its proper divisors (2761124312).

2947968808 is a wasteful number, since it uses less digits than its factorization.

2947968808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009 (or 7005 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 61.

The square root of 2947968808 is about 54295.2005982113. The cubic root of 2947968808 is about 1433.8629003831.

The spelling of 2947968808 in words is "two billion, nine hundred forty-seven million, nine hundred sixty-eight thousand, eight hundred eight".

Divisors: 1 2 4 8 31 62 124 248 2971 4001 5942 8002 11884 16004 23768 32008 92101 124031 184202 248062 368404 496124 736808 992248 11886971 23773942 47547884 95095768 368496101 736992202 1473984404 2947968808