Search a number
-
+
234406261 is a prime number
BaseRepresentation
bin11011111100011…
…00000101110101
3121100002001221101
431332030011311
5440002000021
635132050101
75544264115
oct1576140565
9540061841
10234406261
11110352991
1266603931
1339742a3b
14231bb045
15158a3a91
hexdf8c175

234406261 has 2 divisors, whose sum is σ = 234406262. Its totient is φ = 234406260.

The previous prime is 234406259. The next prime is 234406273. The reversal of 234406261 is 162604432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214066161 + 20340100 = 14631^2 + 4510^2 .

It is a cyclic number.

It is not a de Polignac number, because 234406261 - 21 = 234406259 is a prime.

Together with 234406259, it forms a pair of twin primes.

It is equal to p12871081 and since 234406261 and 12871081 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234406231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117203130 + 117203131.

It is an arithmetic number, because the mean of its divisors is an integer number (117203131).

Almost surely, 2234406261 is an apocalyptic number.

It is an amenable number.

234406261 is a deficient number, since it is larger than the sum of its proper divisors (1).

234406261 is an equidigital number, since it uses as much as digits as its factorization.

234406261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 234406261 is about 15310.3318383371. The cubic root of 234406261 is about 616.5804293660.

The spelling of 234406261 in words is "two hundred thirty-four million, four hundred six thousand, two hundred sixty-one".