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304030242 = 23217239803
BaseRepresentation
bin10010000111110…
…010001000100010
3210012002100002100
4102013302020202
51110312431432
650100231230
710351133355
oct2207621042
9705070070
10304030242
1114668746a
128599b516
134acac369
142c54229c
151ba5807c
hex121f2222

304030242 has 24 divisors (see below), whose sum is σ = 659181744. Its totient is φ = 101274264.

The previous prime is 304030241. The next prime is 304030271. The reversal of 304030242 is 242030403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (304030241) 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 11 ways as a sum of consecutive naturals, for example, 26113 + ... + 35915.

It is an arithmetic number, because the mean of its divisors is an integer number (27465906).

Almost surely, 2304030242 is an apocalyptic number.

304030242 is an abundant number, since it is smaller than the sum of its proper divisors (355151502).

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

304030242 is a wasteful number, since it uses less digits than its factorization.

304030242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11534 (or 11531 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 304030242 is about 17436.4630014232. The cubic root of 304030242 is about 672.4173773004.

Adding to 304030242 its reverse (242030403), we get a palindrome (546060645).

The spelling of 304030242 in words is "three hundred four million, thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 1723 3446 5169 9803 10338 15507 19606 29409 31014 58818 88227 176454 16890569 33781138 50671707 101343414 152015121 304030242