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304186030 = 2567454009
BaseRepresentation
bin10010001000011…
…000001010101110
3210012101020210021
4102020120022232
51110332423110
650103432354
710352352511
oct2210301256
9705336707
10304186030
11146783515
1285a556ba
134b035245
142c582d78
151ba892da
hex122182ae

304186030 has 16 divisors (see below), whose sum is σ = 555708240. Its totient is φ = 119858112.

The previous prime is 304186009. The next prime is 304186037. The reversal of 304186030 is 30681403.

It is a junction number, because it is equal to n+sod(n) for n = 304185986 and 304186004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304186037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 226335 + ... + 227674.

It is an arithmetic number, because the mean of its divisors is an integer number (34731765).

Almost surely, 2304186030 is an apocalyptic number.

304186030 is a deficient number, since it is larger than the sum of its proper divisors (251522210).

304186030 is a wasteful number, since it uses less digits than its factorization.

304186030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454083.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 304186030 is about 17440.9297343920. The cubic root of 304186030 is about 672.5322087180.

The spelling of 304186030 in words is "three hundred four million, one hundred eighty-six thousand, thirty".

Divisors: 1 2 5 10 67 134 335 670 454009 908018 2270045 4540090 30418603 60837206 152093015 304186030