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304664493 = 3714507833
BaseRepresentation
bin10010001010001…
…100111110101101
3210020021120010010
4102022030332231
51110443230433
650122003433
710356414450
oct2212147655
9706246103
10304664493
11146a7aa41
1286046579
134b171c63
142c669497
151bb30e63
hex1228cfad

304664493 has 8 divisors (see below), whose sum is σ = 464250688. Its totient is φ = 174093984.

The previous prime is 304664471. The next prime is 304664519. The reversal of 304664493 is 394466403.

It is a happy number.

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

It is not a de Polignac number, because 304664493 - 25 = 304664461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304664413) 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, 7253896 + ... + 7253937.

It is an arithmetic number, because the mean of its divisors is an integer number (58031336).

Almost surely, 2304664493 is an apocalyptic number.

It is an amenable number.

304664493 is a deficient number, since it is larger than the sum of its proper divisors (159586195).

304664493 is a wasteful number, since it uses less digits than its factorization.

304664493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14507843.

The product of its (nonzero) digits is 186624, while the sum is 39.

The square root of 304664493 is about 17454.6410160736. The cubic root of 304664493 is about 672.8846391174.

The spelling of 304664493 in words is "three hundred four million, six hundred sixty-four thousand, four hundred ninety-three".

Divisors: 1 3 7 21 14507833 43523499 101554831 304664493