Search a number
-
+
230663307 = 3710983967
BaseRepresentation
bin11011011111110…
…10010010001011
3121002000220120110
431233322102023
5433022211212
634515525403
75500414530
oct1557722213
9532026513
10230663307
11109226836
12652b9863
1338a32184
14228c4d87
15153b4a3c
hexdbfa48b

230663307 has 8 divisors (see below), whose sum is σ = 351486976. Its totient is φ = 131807592.

The previous prime is 230663231. The next prime is 230663311. The reversal of 230663307 is 703366032.

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

It is not a de Polignac number, because 230663307 - 211 = 230661259 is a prime.

It is a super-2 number, since 2×2306633072 = 106411122392352498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230663107) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5491963 + ... + 5492004.

It is an arithmetic number, because the mean of its divisors is an integer number (43935872).

Almost surely, 2230663307 is an apocalyptic number.

230663307 is a deficient number, since it is larger than the sum of its proper divisors (120823669).

230663307 is a wasteful number, since it uses less digits than its factorization.

230663307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983977.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 230663307 is about 15187.6037280408. The cubic root of 230663307 is about 613.2809924682.

The spelling of 230663307 in words is "two hundred thirty million, six hundred sixty-three thousand, three hundred seven".

Divisors: 1 3 7 21 10983967 32951901 76887769 230663307