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303934490 = 2530393449
BaseRepresentation
bin10010000111011…
…010110000011010
3210011220110201222
4102013122300122
51110301400430
650054212042
710350254246
oct2207326032
9704813658
10303934490
11146621532
1285954022
134ac778c2
142c519426
151ba399e5
hex121dac1a

303934490 has 8 divisors (see below), whose sum is σ = 547082100. Its totient is φ = 121573792.

The previous prime is 303934487. The next prime is 303934511. The reversal of 303934490 is 94439303.

It can be written as a sum of positive squares in 2 ways, for example, as 264030001 + 39904489 = 16249^2 + 6317^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 303934490.

It is an unprimeable number.

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, 15196715 + ... + 15196734.

Almost surely, 2303934490 is an apocalyptic number.

303934490 is a deficient number, since it is larger than the sum of its proper divisors (243147610).

303934490 is a wasteful number, since it uses less digits than its factorization.

303934490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30393456.

The product of its (nonzero) digits is 34992, while the sum is 35.

The square root of 303934490 is about 17433.7170448531. The cubic root of 303934490 is about 672.3467789846.

The spelling of 303934490 in words is "three hundred three million, nine hundred thirty-four thousand, four hundred ninety".

Divisors: 1 2 5 10 30393449 60786898 151967245 303934490