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230020063 = 72132631373
BaseRepresentation
bin11011011010111…
…01001111011111
3121000211020012121
431231131033133
5432341120223
634454043411
75462065300
oct1555351737
9530736177
10230020063
11108927529
1265049567
1338868460
14227987a7
15152d915d
hexdb5d3df

230020063 has 24 divisors (see below), whose sum is σ = 289463328. Its totient is φ = 181169856.

The previous prime is 230020039. The next prime is 230020067. The reversal of 230020063 is 360020032.

It is not a de Polignac number, because 230020063 - 221 = 227922911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230020067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166845 + ... + 168217.

It is an arithmetic number, because the mean of its divisors is an integer number (12060972).

Almost surely, 2230020063 is an apocalyptic number.

230020063 is a deficient number, since it is larger than the sum of its proper divisors (59443265).

230020063 is a wasteful number, since it uses less digits than its factorization.

230020063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1656 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 230020063 is about 15166.4123312008. The cubic root of 230020063 is about 612.7103821512.

Adding to 230020063 its reverse (360020032), we get a palindrome (590040095).

The spelling of 230020063 in words is "two hundred thirty million, twenty thousand, sixty-three".

Divisors: 1 7 13 49 91 263 637 1373 1841 3419 9611 12887 17849 23933 67277 124943 167531 361099 874601 2527693 4694287 17693851 32860009 230020063