Search a number
-
+
4471864384 = 261326432
BaseRepresentation
bin1000010101000101…
…10011110001000000
3102112122121020200211
410022202303301000
533124244130014
62015423323504
7215550135331
oct41242636100
912478536624
104471864384
111995283999
12a49750594
13563605300
14305ca4288
151b28d1cc4
hex10a8b3c40

4471864384 has 63 divisors (see below), whose sum is σ = 9623935413. Its totient is φ = 2060727552.

The previous prime is 4471864381. The next prime is 4471864417. The reversal of 4471864384 is 4834681744.

The square root of 4471864384 is 66872.

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., 661518400 + 3810345984 = 25720^2 + 61728^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4471864381) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6954367 + ... + 6955009.

Almost surely, 24471864384 is an apocalyptic number.

4471864384 is the 66872-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4471864384

4471864384 is an abundant number, since it is smaller than the sum of its proper divisors (5152071029).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4471864384 is an frugal number, since it uses more digits than its factorization.

4471864384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 658 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 49.

The cubic root of 4471864384 is about 1647.5156225631.

Multiplying 4471864384 by its sum of digits (49), we get a square (219121354816 = 4681042).

The spelling of 4471864384 in words is "four billion, four hundred seventy-one million, eight hundred sixty-four thousand, three hundred eighty-four".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 169 208 338 416 643 676 832 1286 1352 2572 2704 5144 5408 8359 10288 10816 16718 20576 33436 41152 66872 108667 133744 217334 267488 413449 434668 534976 826898 869336 1653796 1738672 3307592 3477344 5374837 6615184 6954688 10749674 13230368 21499348 26460736 42998696 69872881 85997392 139745762 171994784 279491524 343989568 558983048 1117966096 2235932192 4471864384