Search a number
-
+
230630276 = 2257657569
BaseRepresentation
bin11011011111100…
…10001110000100
3121001222020021002
431233302032010
5433020132101
634515112432
75500216322
oct1557621604
9531866232
10230630276
11109203a38
12652a2718
1338a20126
14228b6d12
15153a9d6b
hexdbf2384

230630276 has 6 divisors (see below), whose sum is σ = 403602990. Its totient is φ = 115315136.

The previous prime is 230630273. The next prime is 230630291. The reversal of 230630276 is 672036032.

It can be written as a sum of positive squares in only one way, i.e., 163226176 + 67404100 = 12776^2 + 8210^2 .

It is not an unprimeable number, because it can be changed into a prime (230630273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28828781 + ... + 28828788.

It is an arithmetic number, because the mean of its divisors is an integer number (67267165).

Almost surely, 2230630276 is an apocalyptic number.

It is an amenable number.

230630276 is a deficient number, since it is larger than the sum of its proper divisors (172972714).

230630276 is a wasteful number, since it uses less digits than its factorization.

230630276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57657573 (or 57657571 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 230630276 is about 15186.5162562057. The cubic root of 230630276 is about 613.2517171119.

The spelling of 230630276 in words is "two hundred thirty million, six hundred thirty thousand, two hundred seventy-six".

Divisors: 1 2 4 57657569 115315138 230630276