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304771442 = 23719121563
BaseRepresentation
bin10010001010100…
…111000101110010
3210020110222211012
4102022213011302
51111010141232
650124150522
710360341323
oct2212470562
9706428735
10304771442
11147043328
1286098442
134b1ab841
142c69644a
151bb529b2
hex122a7172

304771442 has 16 divisors (see below), whose sum is σ = 471992832. Its totient is φ = 147484080.

The previous prime is 304771429. The next prime is 304771463. The reversal of 304771442 is 244177403.

It is a junction number, because it is equal to n+sod(n) for n = 304771399 and 304771408.

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 7 ways as a sum of consecutive naturals, for example, 3353 + ... + 24915.

It is an arithmetic number, because the mean of its divisors is an integer number (29499552).

Almost surely, 2304771442 is an apocalyptic number.

304771442 is a deficient number, since it is larger than the sum of its proper divisors (167221390).

304771442 is a wasteful number, since it uses less digits than its factorization.

304771442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21793.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 304771442 is about 17457.7043737142. The cubic root of 304771442 is about 672.9633660688.

The spelling of 304771442 in words is "three hundred four million, seven hundred seventy-one thousand, four hundred forty-two".

Divisors: 1 2 37 74 191 382 7067 14134 21563 43126 797831 1595662 4118533 8237066 152385721 304771442