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449305230 = 235112359197
BaseRepresentation
bin11010110001111…
…101101010001110
31011022110001220110
4122301331222032
51410010231410
6112330100450
714064013533
oct3261755216
91138401813
10449305230
11210691740
1210657a726
13721156aa
144395ad8a
15296a2720
hex1ac7da8e

449305230 has 64 divisors (see below), whose sum is σ = 1227529728. Its totient is φ = 104184960.

The previous prime is 449305201. The next prime is 449305243. The reversal of 449305230 is 32503944.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 22009 + ... + 37188.

It is an arithmetic number, because the mean of its divisors is an integer number (19180152).

Almost surely, 2449305230 is an apocalyptic number.

449305230 is an abundant number, since it is smaller than the sum of its proper divisors (778224498).

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

449305230 is a wasteful number, since it uses less digits than its factorization.

449305230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59241.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 449305230 is about 21196.8212239477. The cubic root of 449305230 is about 765.9148523633.

The spelling of 449305230 in words is "four hundred forty-nine million, three hundred five thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 23 30 33 46 55 66 69 110 115 138 165 230 253 330 345 506 690 759 1265 1518 2530 3795 7590 59197 118394 177591 295985 355182 591970 651167 887955 1302334 1361531 1775910 1953501 2723062 3255835 3907002 4084593 6511670 6807655 8169186 9767505 13615310 14976841 19535010 20422965 29953682 40845930 44930523 74884205 89861046 149768410 224652615 449305230