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448609248 = 253210871433
BaseRepresentation
bin11010101111010…
…011101111100000
31011021010201012100
4122233103233200
51404320443443
6112303130400
714055054453
oct3257235740
91137121170
10448609248
1121025684a
121062a3a00
1371c30979
144381949a
15295b63d3
hex1abd3be0

448609248 has 72 divisors (see below), whose sum is σ = 1277797248. Its totient is φ = 149294592.

The previous prime is 448609237. The next prime is 448609253. The reversal of 448609248 is 842906844.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×4486092482 = 402500514782251008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 312340 + ... + 313772.

It is an arithmetic number, because the mean of its divisors is an integer number (17747184).

Almost surely, 2448609248 is an apocalyptic number.

448609248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

448609248 is an abundant number, since it is smaller than the sum of its proper divisors (829188000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

448609248 is a wasteful number, since it uses less digits than its factorization.

448609248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536 (or 2525 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 448609248 is about 21180.3977299766. The cubic root of 448609248 is about 765.5191759621.

The spelling of 448609248 in words is "four hundred forty-eight million, six hundred nine thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1087 1433 2174 2866 3261 4299 4348 5732 6522 8598 8696 9783 11464 12897 13044 17196 17392 19566 22928 25794 26088 34392 34784 39132 45856 51588 52176 68784 78264 103176 104352 137568 156528 206352 313056 412704 1557671 3115342 4673013 6230684 9346026 12461368 14019039 18692052 24922736 28038078 37384104 49845472 56076156 74768208 112152312 149536416 224304624 448609248