Search a number
-
+
2598230009 = 20789124981
BaseRepresentation
bin1001101011011101…
…1101011111111001
320201002000202112002
42122313131133321
520310121330014
61105453030345
7121246406414
oct23267353771
96632022462
102598230009
1111136a6731
126061853b5
133253a340b
141a9100b7b
15103180dde
hex9addd7f9

2598230009 has 4 divisors (see below), whose sum is σ = 2598375780. Its totient is φ = 2598084240.

The previous prime is 2598229967. The next prime is 2598230039. The reversal of 2598230009 is 9000328952.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1009968400 + 1588261609 = 31780^2 + 39853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2598230009 - 224 = 2581452793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2598230039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41702 + ... + 83279.

It is an arithmetic number, because the mean of its divisors is an integer number (649593945).

Almost surely, 22598230009 is an apocalyptic number.

It is an amenable number.

2598230009 is a deficient number, since it is larger than the sum of its proper divisors (145771).

2598230009 is a wasteful number, since it uses less digits than its factorization.

2598230009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145770.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 2598230009 is about 50972.8359913395. The cubic root of 2598230009 is about 1374.7567629685.

The spelling of 2598230009 in words is "two billion, five hundred ninety-eight million, two hundred thirty thousand, nine".

Divisors: 1 20789 124981 2598230009