Search a number
-
+
306130801 = 541571991
BaseRepresentation
bin10010001111110…
…010111101110001
3210100001001111211
4102033302331301
51111332141201
650213240121
710405032424
oct2217627561
9710031454
10306130801
11147891669
1286633041
134b5664b2
142c92b9bb
151bd20651
hex123f2f71

306130801 has 8 divisors (see below), whose sum is σ = 307543808. Its totient is φ = 304722000.

The previous prime is 306130777. The next prime is 306130813. The reversal of 306130801 is 108031603.

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 306130801 - 29 = 306130289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (306130841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308416 + ... + 309406.

It is an arithmetic number, because the mean of its divisors is an integer number (38442976).

Almost surely, 2306130801 is an apocalyptic number.

It is an amenable number.

306130801 is a deficient number, since it is larger than the sum of its proper divisors (1413007).

306130801 is an equidigital number, since it uses as much as digits as its factorization.

306130801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 306130801 is about 17496.5939828299. The cubic root of 306130801 is about 673.9624120896.

The spelling of 306130801 in words is "three hundred six million, one hundred thirty thousand, eight hundred one".

Divisors: 1 541 571 991 308911 536131 565861 306130801