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230015244 = 22383230939
BaseRepresentation
bin11011011010111…
…00000100001100
3121000210222121010
431231130010030
5432340441434
634454005220
75462045244
oct1555340414
9530728533
10230015244
11108923948
1265046810
13388661c4
1422796b24
15152d79e9
hexdb5c10c

230015244 has 24 divisors (see below), whose sum is σ = 543170880. Its totient is φ = 75747664.

The previous prime is 230015239. The next prime is 230015263. The reversal of 230015244 is 442510032.

230015244 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 230015244.

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, 114474 + ... + 116465.

It is an arithmetic number, because the mean of its divisors is an integer number (22632120).

Almost surely, 2230015244 is an apocalyptic number.

It is an amenable number.

230015244 is an abundant number, since it is smaller than the sum of its proper divisors (313155636).

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

230015244 is a wasteful number, since it uses less digits than its factorization.

230015244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231029 (or 231027 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 230015244 is about 15166.2534595727. The cubic root of 230015244 is about 612.7061032897.

Adding to 230015244 its reverse (442510032), we get a palindrome (672525276).

The spelling of 230015244 in words is "two hundred thirty million, fifteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 12 83 166 249 332 498 996 230939 461878 692817 923756 1385634 2771268 19167937 38335874 57503811 76671748 115007622 230015244