Search a number
-
+
306030 = 2351012
BaseRepresentation
bin1001010101101101110
3120112210110
41022231232
534243110
610320450
72413134
oct1125556
9515713
10306030
11199a1a
12129126
13a93aa
147d754
1560a20
hex4ab6e

306030 has 24 divisors (see below), whose sum is σ = 741816. Its totient is φ = 80800.

The previous prime is 306029. The next prime is 306041. The reversal of 306030 is 30603.

It is a hoax number, since the sum of its digits (12) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a plaindrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 305997 and 306015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2980 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (30909).

2306030 is an apocalyptic number.

306030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306030 is an abundant number, since it is smaller than the sum of its proper divisors (435786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

306030 is a wasteful number, since it uses less digits than its factorization.

306030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 306030 is about 553.1997830802. The cubic root of 306030 is about 67.3888431139.

Adding to 306030 its reverse (30603), we get a palindrome (336633).

The spelling of 306030 in words is "three hundred six thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 101 202 303 505 606 1010 1515 3030 10201 20402 30603 51005 61206 102010 153015 306030