Search a number
-
+
230732079 = 31932231787
BaseRepresentation
bin11011100000010…
…11000100101111
3121002011101220120
431300023010233
5433031411304
634521220023
75501122164
oct1560130457
9532141816
10230732079
11109273476
1265331613
1338a57576
142290206b
15153ca0d9
hexdc0b12f

230732079 has 16 divisors (see below), whose sum is σ = 310797312. Its totient is φ = 152252928.

The previous prime is 230732069. The next prime is 230732081. The reversal of 230732079 is 970237032.

230732079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230732079 - 24 = 230732063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230732069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128224 + ... + 130010.

It is an arithmetic number, because the mean of its divisors is an integer number (19424832).

Almost surely, 2230732079 is an apocalyptic number.

230732079 is a deficient number, since it is larger than the sum of its proper divisors (80065233).

230732079 is a wasteful number, since it uses less digits than its factorization.

230732079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 230732079 is about 15189.8676426097. The cubic root of 230732079 is about 613.3419360863.

It can be divided in two parts, 23073 and 2079, that added together give a palindrome (25152).

The spelling of 230732079 in words is "two hundred thirty million, seven hundred thirty-two thousand, seventy-nine".

Divisors: 1 3 193 223 579 669 1787 5361 43039 129117 344891 398501 1034673 1195503 76910693 230732079