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305244214 = 21117816161
BaseRepresentation
bin10010001100011…
…010100000110110
3210021101000100021
4102030122200312
51111120303324
650142235354
710364350552
oct2214324066
9707330307
10305244214
11147336550
1286285b5a
134b315aa2
142c77a862
151bbe7ae4
hex1231a836

305244214 has 16 divisors (see below), whose sum is σ = 528872976. Its totient is φ = 130585600.

The previous prime is 305244209. The next prime is 305244217. The reversal of 305244214 is 412442503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305244217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407707 + ... + 408454.

It is an arithmetic number, because the mean of its divisors is an integer number (33054561).

Almost surely, 2305244214 is an apocalyptic number.

305244214 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

305244214 is a deficient number, since it is larger than the sum of its proper divisors (223628762).

305244214 is a wasteful number, since it uses less digits than its factorization.

305244214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816191.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 305244214 is about 17471.2396240221. The cubic root of 305244214 is about 673.3111609752.

Adding to 305244214 its reverse (412442503), we get a palindrome (717686717).

The spelling of 305244214 in words is "three hundred five million, two hundred forty-four thousand, two hundred fourteen".

Divisors: 1 2 11 17 22 34 187 374 816161 1632322 8977771 13874737 17955542 27749474 152622107 305244214