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230000080 = 2452875001
BaseRepresentation
bin11011011010110…
…00010111010000
3121000210012210111
431231120113100
5432340000310
634453411104
75461653112
oct1555302720
9530705714
10230000080
11108913512
1265039a94
133885c32b
14227913b2
15152d328a
hexdb585d0

230000080 has 20 divisors (see below), whose sum is σ = 534750372. Its totient is φ = 92000000.

The previous prime is 230000059. The next prime is 230000117. The reversal of 230000080 is 80000032.

230000080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 94789696 + 135210384 = 9736^2 + 11628^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 230000080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437421 + ... + 1437580.

Almost surely, 2230000080 is an apocalyptic number.

230000080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230000080 is an abundant number, since it is smaller than the sum of its proper divisors (304750292).

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

230000080 is a wasteful number, since it uses less digits than its factorization.

230000080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875014 (or 2875008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 230000080 is about 15165.7535256248. The cubic root of 230000080 is about 612.6926385597.

Subtracting from 230000080 its product of nonzero digits (48), we obtain a palindrome (230000032).

The spelling of 230000080 in words is "two hundred thirty million, eighty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 40 80 2875001 5750002 11500004 14375005 23000008 28750010 46000016 57500020 115000040 230000080