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230043030 = 23571095443
BaseRepresentation
bin11011011011000…
…10110110010110
3121000212101201020
431231202312112
5432342334110
634454342010
75462222250
oct1555426626
9530771636
10230043030
11108942808
126505a906
1338875a49
14227a2cd0
15152e0d70
hexdb62d96

230043030 has 32 divisors (see below), whose sum is σ = 630975744. Its totient is φ = 52581216.

The previous prime is 230042977. The next prime is 230043043. The reversal of 230043030 is 30340032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547512 + ... + 547931.

It is an arithmetic number, because the mean of its divisors is an integer number (19717992).

Almost surely, 2230043030 is an apocalyptic number.

230043030 is an abundant number, since it is smaller than the sum of its proper divisors (400932714).

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

230043030 is a wasteful number, since it uses less digits than its factorization.

230043030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095460.

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 230043030 is about 15167.1694788448. The cubic root of 230043030 is about 612.7307740695.

Adding to 230043030 its reverse (30340032), we get a palindrome (260383062).

The spelling of 230043030 in words is "two hundred thirty million, forty-three thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1095443 2190886 3286329 5477215 6572658 7668101 10954430 15336202 16431645 23004303 32863290 38340505 46008606 76681010 115021515 230043030