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230000512 = 277236671
BaseRepresentation
bin11011011010110…
…00011110000000
3121000210020101111
431231120132000
5432340004022
634453413104
75461654300
oct1555303600
9530706344
10230000512
11108913875
126503a194
133885c5a1
1422791600
15152d3477
hexdb58780

230000512 has 48 divisors (see below), whose sum is σ = 533027520. Its totient is φ = 98568960.

The previous prime is 230000503. The next prime is 230000543. The reversal of 230000512 is 215000032.

It is a junction number, because it is equal to n+sod(n) for n = 230000492 and 230000501.

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 5 ways as a sum of consecutive naturals, for example, 12064 + ... + 24607.

It is an arithmetic number, because the mean of its divisors is an integer number (11104740).

Almost surely, 2230000512 is an apocalyptic number.

It is an amenable number.

230000512 is an abundant number, since it is smaller than the sum of its proper divisors (303027008).

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

230000512 is an equidigital number, since it uses as much as digits as its factorization.

230000512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36699 (or 36680 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 230000512 is about 15165.7677682338. The cubic root of 230000512 is about 612.6930221581.

Adding to 230000512 its reverse (215000032), we get a palindrome (445000544).

The spelling of 230000512 in words is "two hundred thirty million, five hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 128 196 224 392 448 784 896 1568 3136 6272 36671 73342 146684 256697 293368 513394 586736 1026788 1173472 1796879 2053576 2346944 3593758 4107152 4693888 7187516 8214304 14375032 16428608 28750064 32857216 57500128 115000256 230000512