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230165968 = 2423625451
BaseRepresentation
bin11011011100000…
…00110111010000
3121001002122100111
431232000313100
5432410302333
634501131104
75463243544
oct1556006720
9531078314
10230165968
11108a1710a
12650b9a94
13388b99a6
14227d5a24
15153174cd
hexdb80dd0

230165968 has 20 divisors (see below), whose sum is σ = 465336288. Its totient is φ = 110079200.

The previous prime is 230165951. The next prime is 230165983. The reversal of 230165968 is 869561032.

It is a self number, because there is not a number n which added to its sum of digits gives 230165968.

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 3 ways as a sum of consecutive naturals, for example, 312358 + ... + 313093.

Almost surely, 2230165968 is an apocalyptic number.

It is an amenable number.

230165968 is an abundant number, since it is smaller than the sum of its proper divisors (235170320).

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

230165968 is a wasteful number, since it uses less digits than its factorization.

230165968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625482 (or 625476 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 230165968 is about 15171.2217042663. The cubic root of 230165968 is about 612.8399050745.

The spelling of 230165968 in words is "two hundred thirty million, one hundred sixty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 23 46 92 184 368 625451 1250902 2501804 5003608 10007216 14385373 28770746 57541492 115082984 230165968