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230852512 = 2511259621
BaseRepresentation
bin11011100001010…
…00011110100000
3121002101112010001
431300220132200
5433044240022
634523545344
75502133252
oct1560503640
9532345101
10230852512
11109345a00
126538b254
1338a9a327
1422933cd2
1515400b27
hexdc287a0

230852512 has 36 divisors (see below), whose sum is σ = 499572738. Its totient is φ = 104931200.

The previous prime is 230852497. The next prime is 230852513. The reversal of 230852512 is 215258032.

It can be written as a sum of positive squares in only one way, i.e., 161696656 + 69155856 = 12716^2 + 8316^2 .

It is not an unprimeable number, because it can be changed into a prime (230852513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25939 + ... + 33682.

Almost surely, 2230852512 is an apocalyptic number.

230852512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

230852512 is an abundant number, since it is smaller than the sum of its proper divisors (268720226).

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

230852512 is a wasteful number, since it uses less digits than its factorization.

230852512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59653 (or 59634 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 230852512 is about 15193.8313798726. The cubic root of 230852512 is about 613.4486309184.

The spelling of 230852512 in words is "two hundred thirty million, eight hundred fifty-two thousand, five hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1936 3872 59621 119242 238484 476968 655831 953936 1311662 1907872 2623324 5246648 7214141 10493296 14428282 20986592 28856564 57713128 115426256 230852512