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304421054 = 27233130497
BaseRepresentation
bin10010001001010…
…001100010111110
3210012211012011212
4102021101202332
51110412433204
650112444422
710354351640
oct2211214276
9705735155
10304421054
11146924053
1285b49712
134b0b8202
142c604890
151bad3c6e
hex122518be

304421054 has 32 divisors (see below), whose sum is σ = 562139136. Its totient is φ = 120764160.

The previous prime is 304421027. The next prime is 304421063. The reversal of 304421054 is 450124403.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5267 + ... + 25230.

It is an arithmetic number, because the mean of its divisors is an integer number (17566848).

Almost surely, 2304421054 is an apocalyptic number.

304421054 is a deficient number, since it is larger than the sum of its proper divisors (257718082).

304421054 is a wasteful number, since it uses less digits than its factorization.

304421054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30560.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 304421054 is about 17447.6661476542. Note that the first 3 decimals coincide. The cubic root of 304421054 is about 672.7053708665.

Adding to 304421054 its reverse (450124403), we get a palindrome (754545457).

The spelling of 304421054 in words is "three hundred four million, four hundred twenty-one thousand, fifty-four".

Divisors: 1 2 7 14 23 31 46 62 161 217 322 434 713 1426 4991 9982 30497 60994 213479 426958 701431 945407 1402862 1890814 4910017 6617849 9820034 13235698 21744361 43488722 152210527 304421054