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230004157 is a prime number
BaseRepresentation
bin11011011010110…
…01010110111101
3121000210102101111
431231121112331
5432340113112
634453442021
75462001025
oct1555312675
9530712344
10230004157
11108916589
1265040311
1338861146
1422792a85
15152d45a7
hexdb595bd

230004157 has 2 divisors, whose sum is σ = 230004158. Its totient is φ = 230004156.

The previous prime is 230004149. The next prime is 230004161. The reversal of 230004157 is 751400032.

230004157 is nontrivially palindromic in base 16.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196953156 + 33051001 = 14034^2 + 5749^2 .

It is a cyclic number.

It is not a de Polignac number, because 230004157 - 23 = 230004149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230004107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115002078 + 115002079.

It is an arithmetic number, because the mean of its divisors is an integer number (115002079).

Almost surely, 2230004157 is an apocalyptic number.

It is an amenable number.

230004157 is a deficient number, since it is larger than the sum of its proper divisors (1).

230004157 is an equidigital number, since it uses as much as digits as its factorization.

230004157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 230004157 is about 15165.8879397152. The cubic root of 230004157 is about 612.6962587513.

Adding to 230004157 its reverse (751400032), we get a palindrome (981404189).

The spelling of 230004157 in words is "two hundred thirty million, four thousand, one hundred fifty-seven".