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230012030 = 2531772559
BaseRepresentation
bin11011011010110…
…11010001111110
3121000210211012002
431231123101332
5432340341110
634453542302
75462033003
oct1555332176
9530724162
10230012030
11108921496
1265044992
13388648c1
14227958aa
15152d6aa5
hexdb5b47e

230012030 has 16 divisors (see below), whose sum is σ = 415333440. Its totient is φ = 91713312.

The previous prime is 230012011. The next prime is 230012053. The reversal of 230012030 is 30210032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33110 + ... + 39449.

It is an arithmetic number, because the mean of its divisors is an integer number (25958340).

Almost surely, 2230012030 is an apocalyptic number.

230012030 is a deficient number, since it is larger than the sum of its proper divisors (185321410).

230012030 is a wasteful number, since it uses less digits than its factorization.

230012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72883.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 230012030 is about 15166.1475002718. The cubic root of 230012030 is about 612.7032494983.

Adding to 230012030 its reverse (30210032), we get a palindrome (260222062).

The spelling of 230012030 in words is "two hundred thirty million, twelve thousand, thirty".

Divisors: 1 2 5 10 317 634 1585 3170 72559 145118 362795 725590 23001203 46002406 115006015 230012030