Search a number
-
+
2386997388 = 223266305483
BaseRepresentation
bin1000111001000110…
…1011000010001100
320011100120000211200
42032101223002030
514342032404023
61032505345500
7113103100026
oct21621530214
96140500750
102386997388
111015441516
12567498290
132c06b54b9
14189037016
15de858743
hex8e46b08c

2386997388 has 18 divisors (see below), whose sum is σ = 6033799044. Its totient is φ = 795665784.

The previous prime is 2386997383. The next prime is 2386997419. The reversal of 2386997388 is 8837996832.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2386997383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33152706 + ... + 33152777.

It is an arithmetic number, because the mean of its divisors is an integer number (335211058).

Almost surely, 22386997388 is an apocalyptic number.

It is an amenable number.

2386997388 is an abundant number, since it is smaller than the sum of its proper divisors (3646801656).

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

2386997388 is a wasteful number, since it uses less digits than its factorization.

2386997388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66305493 (or 66305488 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The square root of 2386997388 is about 48856.9072701087. The cubic root of 2386997388 is about 1336.4436380008.

The spelling of 2386997388 in words is "two billion, three hundred eighty-six million, nine hundred ninety-seven thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 66305483 132610966 198916449 265221932 397832898 596749347 795665796 1193498694 2386997388