Search a number
-
+
302130113 = 1931565441
BaseRepresentation
bin10010000000100…
…010001111000001
3210001111210121012
4102000202033001
51104321130423
645551410305
710326030545
oct2200421701
9701453535
10302130113
111455a990a
1285223995
134a79551c
142c1a9a25
151b7d0078
hex120223c1

302130113 has 4 divisors (see below), whose sum is σ = 303695748. Its totient is φ = 300564480.

The previous prime is 302130109. The next prime is 302130119. The reversal of 302130113 is 311031203.

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 22972849 + 279157264 = 4793^2 + 16708^2 .

It is a cyclic number.

It is not a de Polignac number, because 302130113 - 22 = 302130109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302130119) 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, 782528 + ... + 782913.

It is an arithmetic number, because the mean of its divisors is an integer number (75923937).

Almost surely, 2302130113 is an apocalyptic number.

It is an amenable number.

302130113 is a deficient number, since it is larger than the sum of its proper divisors (1565635).

302130113 is a wasteful number, since it uses less digits than its factorization.

302130113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565634.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 302130113 is about 17381.8903747550. The cubic root of 302130113 is about 671.0136235382.

Adding to 302130113 its reverse (311031203), we get a palindrome (613161316).

The spelling of 302130113 in words is "three hundred two million, one hundred thirty thousand, one hundred thirteen".

Divisors: 1 193 1565441 302130113