Search a number
-
+
6223942820 = 2251132753957
BaseRepresentation
bin1011100101111100…
…11101010010100100
3121001202110001110202
411302332131102210
5100221312132240
62505332410032
7310143432614
oct56276352244
917052401422
106223942820
1127042873a7
121258476918
137825b7004
14430864a44
15266621315
hex172f9d4a4

6223942820 has 24 divisors (see below), whose sum is σ = 13185950904. Its totient is φ = 2467544576.

The previous prime is 6223942771. The next prime is 6223942847. The reversal of 6223942820 is 282493226.

It can be written as a sum of positive squares in 4 ways, for example, as 502835776 + 5721107044 = 22424^2 + 75638^2 .

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, 1374719 + ... + 1379238.

It is an arithmetic number, because the mean of its divisors is an integer number (549414621).

Almost surely, 26223942820 is an apocalyptic number.

It is an amenable number.

6223942820 is an abundant number, since it is smaller than the sum of its proper divisors (6962008084).

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

6223942820 is a wasteful number, since it uses less digits than its factorization.

6223942820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754079 (or 2754077 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 6223942820 is about 78891.9692997963. The cubic root of 6223942820 is about 1839.4523043012.

The spelling of 6223942820 in words is "six billion, two hundred twenty-three million, nine hundred forty-two thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 2260 2753957 5507914 11015828 13769785 27539570 55079140 311197141 622394282 1244788564 1555985705 3111971410 6223942820