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230666075 = 5250918127
BaseRepresentation
bin11011011111110…
…10111101011011
3121002001001100222
431233322331123
5433022303300
634515550255
75500425563
oct1557727533
9532031328
10230666075
11109228922
12652bb38b
1338a33503
14228c5da3
15153b5785
hexdbfaf5b

230666075 has 12 divisors (see below), whose sum is σ = 286603680. Its totient is φ = 184160160.

The previous prime is 230666069. The next prime is 230666077. The reversal of 230666075 is 570666032.

It is not a de Polignac number, because 230666075 - 28 = 230665819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230666077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3662 + ... + 21788.

It is an arithmetic number, because the mean of its divisors is an integer number (23883640).

Almost surely, 2230666075 is an apocalyptic number.

230666075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

230666075 is a deficient number, since it is larger than the sum of its proper divisors (55937605).

230666075 is a wasteful number, since it uses less digits than its factorization.

230666075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18646 (or 18641 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 230666075 is about 15187.6948547171. The cubic root of 230666075 is about 613.2834456181.

The spelling of 230666075 in words is "two hundred thirty million, six hundred sixty-six thousand, seventy-five".

Divisors: 1 5 25 509 2545 12725 18127 90635 453175 9226643 46133215 230666075