Search a number
-
+
232730312 = 2329091289
BaseRepresentation
bin11011101111100…
…10111011001000
3121012220220222012
431313302323020
5434034332222
635032115052
75524114013
oct1567627310
9535826865
10232730312
1110a408801
1265b35a88
13392a6c59
1422ca237a
15156721e2
hexddf2ec8

232730312 has 8 divisors (see below), whose sum is σ = 436369350. Its totient is φ = 116365152.

The previous prime is 232730291. The next prime is 232730321. The reversal of 232730312 is 213037232.

It can be written as a sum of positive squares in only one way, i.e., 232684516 + 45796 = 15254^2 + 214^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14545637 + ... + 14545652.

Almost surely, 2232730312 is an apocalyptic number.

It is an amenable number.

232730312 is a deficient number, since it is larger than the sum of its proper divisors (203639038).

232730312 is a wasteful number, since it uses less digits than its factorization.

232730312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29091295 (or 29091291 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 232730312 is about 15255.5010406083. The cubic root of 232730312 is about 615.1074454792.

Adding to 232730312 its reverse (213037232), we get a palindrome (445767544).

The spelling of 232730312 in words is "two hundred thirty-two million, seven hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 29091289 58182578 116365156 232730312