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305302252 = 22174489739
BaseRepresentation
bin10010001100101…
…000101011101100
3210021110221221211
4102030220223230
51111124133002
650143404204
710365012013
oct2214505354
9707427854
10305302252
11147376112
12862b3664
134b336328
142c793a7a
151bc09dd7
hex12328aec

305302252 has 12 divisors (see below), whose sum is σ = 565707240. Its totient is φ = 143671616.

The previous prime is 305302247. The next prime is 305302259. The reversal of 305302252 is 252203503.

It is not an unprimeable number, because it can be changed into a prime (305302259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244802 + ... + 2244937.

It is an arithmetic number, because the mean of its divisors is an integer number (47142270).

Almost surely, 2305302252 is an apocalyptic number.

It is an amenable number.

305302252 is a deficient number, since it is larger than the sum of its proper divisors (260404988).

305302252 is a wasteful number, since it uses less digits than its factorization.

305302252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4489760 (or 4489758 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 305302252 is about 17472.9005033509. The cubic root of 305302252 is about 673.3538318978.

Adding to 305302252 its reverse (252203503), we get a palindrome (557505755).

The spelling of 305302252 in words is "three hundred five million, three hundred two thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 4489739 8979478 17958956 76325563 152651126 305302252