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301223012 = 2293780369
BaseRepresentation
bin10001111101000…
…100110001100100
3202222210201021212
4101331010301210
51104103114022
645520130552
710315232126
oct2175046144
9688721255
10301223012
1114503a342
1284a66a58
134a53868c
142c011216
151b6a13e2
hex11f44c64

301223012 has 12 divisors (see below), whose sum is σ = 527709420. Its totient is φ = 150448896.

The previous prime is 301223011. The next prime is 301223033. The reversal of 301223012 is 210322103.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 67010596 + 234212416 = 8186^2 + 15304^2 .

It is not an unprimeable number, because it can be changed into a prime (301223011) 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, 36437 + ... + 43932.

It is an arithmetic number, because the mean of its divisors is an integer number (43975785).

Almost surely, 2301223012 is an apocalyptic number.

It is an amenable number.

301223012 is a deficient number, since it is larger than the sum of its proper divisors (226486408).

301223012 is a wasteful number, since it uses less digits than its factorization.

301223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81310 (or 81308 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 301223012 is about 17355.7774818646. Note that the first 3 decimals coincide. The cubic root of 301223012 is about 670.3414106127.

Adding to 301223012 its reverse (210322103), we get a palindrome (511545115).

Subtracting from 301223012 its reverse (210322103), we obtain a palindrome (90900909).

The spelling of 301223012 in words is "three hundred one million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 4 937 1874 3748 80369 160738 321476 75305753 150611506 301223012