Search a number
-
+
1230966539 = 111091026661
BaseRepresentation
bin100100101011111…
…0000111100001011
310011210021120122022
41021113300330023
510010111412124
6322051515055
742335020505
oct11127607413
93153246568
101230966539
11581937420
122a42b8a8b
1316804738a
14b96b0d75
1573105c5e
hex495f0f0b

1230966539 has 8 divisors (see below), whose sum is σ = 1355193840. Its totient is φ = 1108792800.

The previous prime is 1230966523. The next prime is 1230966551. The reversal of 1230966539 is 9356690321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230966539 - 24 = 1230966523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230966539.

It is not an unprimeable number, because it can be changed into a prime (1230966559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512132 + ... + 514529.

It is an arithmetic number, because the mean of its divisors is an integer number (169399230).

Almost surely, 21230966539 is an apocalyptic number.

1230966539 is a deficient number, since it is larger than the sum of its proper divisors (124227301).

1230966539 is a wasteful number, since it uses less digits than its factorization.

1230966539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026781.

The product of its (nonzero) digits is 262440, while the sum is 44.

The square root of 1230966539 is about 35085.1327345359. The cubic root of 1230966539 is about 1071.7218438466.

It can be divided in two parts, 1230 and 966539, that added together give a palindrome (967769).

The spelling of 1230966539 in words is "one billion, two hundred thirty million, nine hundred sixty-six thousand, five hundred thirty-nine".

Divisors: 1 11 109 1199 1026661 11293271 111906049 1230966539