Search a number
-
+
230691082 = 21131020757
BaseRepresentation
bin11011100000000…
…01000100001010
3121002002022200011
431300001010022
5433024103312
634520302134
75500561516
oct1560010412
9532068604
10230691082
11109245696
126531194a
1338a419cb
14228d1146
15153bcda7
hexdc0110a

230691082 has 8 divisors (see below), whose sum is σ = 349099236. Its totient is φ = 114324672.

The previous prime is 230691079. The next prime is 230691101. The reversal of 230691082 is 280196032.

It can be written as a sum of positive squares in 2 ways, for example, as 219662041 + 11029041 = 14821^2 + 3321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510153 + ... + 510604.

Almost surely, 2230691082 is an apocalyptic number.

230691082 is a deficient number, since it is larger than the sum of its proper divisors (118408154).

230691082 is a wasteful number, since it uses less digits than its factorization.

230691082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020872.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 230691082 is about 15188.5180975630. The cubic root of 230691082 is about 613.3056072716.

The spelling of 230691082 in words is "two hundred thirty million, six hundred ninety-one thousand, eighty-two".

Divisors: 1 2 113 226 1020757 2041514 115345541 230691082