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230506767 = 32166315401
BaseRepresentation
bin11011011110101…
…00000100001111
3121001201221211200
431233110010033
5433002204032
634512320543
75466163251
oct1557240417
9531657750
10230506767
1110912a167
1265243153
13389a8b4a
1422883cd1
151538347c
hexdbd410f

230506767 has 12 divisors (see below), whose sum is σ = 333176064. Its totient is φ = 153568800.

The previous prime is 230506763. The next prime is 230506799. The reversal of 230506767 is 767605032.

It is a happy number.

It is not a de Polignac number, because 230506767 - 22 = 230506763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230506763) 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, 7267 + ... + 22667.

It is an arithmetic number, because the mean of its divisors is an integer number (27764672).

Almost surely, 2230506767 is an apocalyptic number.

230506767 is a deficient number, since it is larger than the sum of its proper divisors (102669297).

230506767 is a wasteful number, since it uses less digits than its factorization.

230506767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17070 (or 17067 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 230506767 is about 15182.4493083297. The cubic root of 230506767 is about 613.1422263831.

The spelling of 230506767 in words is "two hundred thirty million, five hundred six thousand, seven hundred sixty-seven".

Divisors: 1 3 9 1663 4989 14967 15401 46203 138609 25611863 76835589 230506767