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230125030 = 25163141181
BaseRepresentation
bin11011011011101…
…10110111100110
3121001000120012021
431231312313212
5432403000110
634500213354
75463013312
oct1555666746
9531016167
10230125030
11108999383
126509a25a
13388a4175
14227c4b42
151530a2da
hexdb76de6

230125030 has 16 divisors (see below), whose sum is σ = 416769264. Its totient is φ = 91484640.

The previous prime is 230125003. The next prime is 230125033. The reversal of 230125030 is 30521032.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 230124995 and 230125013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230125033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68961 + ... + 72220.

It is an arithmetic number, because the mean of its divisors is an integer number (26048079).

Almost surely, 2230125030 is an apocalyptic number.

230125030 is a deficient number, since it is larger than the sum of its proper divisors (186644234).

230125030 is a wasteful number, since it uses less digits than its factorization.

230125030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141351.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 230125030 is about 15169.8724450801. The cubic root of 230125030 is about 612.8035690806.

Adding to 230125030 its reverse (30521032), we get a palindrome (260646062).

The spelling of 230125030 in words is "two hundred thirty million, one hundred twenty-five thousand, thirty".

Divisors: 1 2 5 10 163 326 815 1630 141181 282362 705905 1411810 23012503 46025006 115062515 230125030