Search a number
-
+
230026237 = 724694413
BaseRepresentation
bin11011011010111…
…10101111111101
3121000211112200021
431231132233331
5432341314422
634454132141
75462122300
oct1555365775
9530745607
10230026237
11108931131
1265051051
133886b1cc
142279ab37
15152dadc7
hexdb5ebfd

230026237 has 6 divisors (see below), whose sum is σ = 267581598. Its totient is φ = 197165304.

The previous prime is 230026229. The next prime is 230026241. The reversal of 230026237 is 732620032.

It can be written as a sum of positive squares in only one way, i.e., 159112996 + 70913241 = 12614^2 + 8421^2 .

It is not a de Polignac number, because 230026237 - 23 = 230026229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230026207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2347158 + ... + 2347255.

It is an arithmetic number, because the mean of its divisors is an integer number (44596933).

Almost surely, 2230026237 is an apocalyptic number.

It is an amenable number.

230026237 is a deficient number, since it is larger than the sum of its proper divisors (37555361).

230026237 is an equidigital number, since it uses as much as digits as its factorization.

230026237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694427 (or 4694420 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 230026237 is about 15166.6158717098. The cubic root of 230026237 is about 612.7158640499.

Adding to 230026237 its reverse (732620032), we get a palindrome (962646269).

The spelling of 230026237 in words is "two hundred thirty million, twenty-six thousand, two hundred thirty-seven".

Divisors: 1 7 49 4694413 32860891 230026237