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230146763 = 71123129953
BaseRepresentation
bin11011011011111…
…00001011001011
3121001001200000012
431231330023023
5432404144023
634500502135
75463133550
oct1555741313
9531050005
10230146763
11108a03740
12650aa94b
13388b1022
14227cca27
1515311978
hexdb7c2cb

230146763 has 16 divisors (see below), whose sum is σ = 299414016. Its totient is φ = 171536640.

The previous prime is 230146757. The next prime is 230146769. The reversal of 230146763 is 367641032.

It is an interprime number because it is at equal distance from previous prime (230146757) and next prime (230146769).

It is not a de Polignac number, because 230146763 - 26 = 230146699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230146769) 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 15 ways as a sum of consecutive naturals, for example, 63206 + ... + 66747.

It is an arithmetic number, because the mean of its divisors is an integer number (18713376).

Almost surely, 2230146763 is an apocalyptic number.

230146763 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

230146763 is a deficient number, since it is larger than the sum of its proper divisors (69267253).

230146763 is a wasteful number, since it uses less digits than its factorization.

230146763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129994.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 230146763 is about 15170.5887492872. The cubic root of 230146763 is about 612.8228595228.

Adding to 230146763 its reverse (367641032), we get a palindrome (597787795).

The spelling of 230146763 in words is "two hundred thirty million, one hundred forty-six thousand, seven hundred sixty-three".

Divisors: 1 7 11 23 77 161 253 1771 129953 909671 1429483 2988919 10006381 20922433 32878109 230146763