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12070306 = 217355009
BaseRepresentation
bin101110000010…
…110110100010
3211201020100101
4232002312202
511042222211
61110413014
7204411253
oct56026642
924636311
1012070306
1168a4666
12406116a
132667cc1
141862b2a
1510d65c1
hexb82da2

12070306 has 8 divisors (see below), whose sum is σ = 19170540. Its totient is φ = 5680128.

The previous prime is 12070297. The next prime is 12070309. The reversal of 12070306 is 60307021.

It can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 105625 = 3459^2 + 325^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12070309) 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 3 ways as a sum of consecutive naturals, for example, 177471 + ... + 177538.

Almost surely, 212070306 is an apocalyptic number.

12070306 is a deficient number, since it is larger than the sum of its proper divisors (7100234).

12070306 is a wasteful number, since it uses less digits than its factorization.

12070306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355028.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 12070306 is about 3474.2345919641. The cubic root of 12070306 is about 229.3890908197.

Adding to 12070306 its reverse (60307021), we get a palindrome (72377327).

The spelling of 12070306 in words is "twelve million, seventy thousand, three hundred six".

Divisors: 1 2 17 34 355009 710018 6035153 12070306