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233464081 is a prime number
BaseRepresentation
bin11011110101001…
…10000100010001
3121021022012111211
431322212010101
5434231322311
635055540121
75533261204
oct1572460421
9537265454
10233464081
1110a86a024
126622a641
13394a2c36
142301393b
1515769821
hexdea6111

233464081 has 2 divisors, whose sum is σ = 233464082. Its totient is φ = 233464080.

The previous prime is 233464079. The next prime is 233464093. The reversal of 233464081 is 180464332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219513856 + 13950225 = 14816^2 + 3735^2 .

It is a cyclic number.

It is not a de Polignac number, because 233464081 - 21 = 233464079 is a prime.

It is a super-2 number, since 2×2334640812 = 109010954234349122, which contains 22 as substring.

Together with 233464079, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (233464031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116732040 + 116732041.

It is an arithmetic number, because the mean of its divisors is an integer number (116732041).

Almost surely, 2233464081 is an apocalyptic number.

It is an amenable number.

233464081 is a deficient number, since it is larger than the sum of its proper divisors (1).

233464081 is an equidigital number, since it uses as much as digits as its factorization.

233464081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 233464081 is about 15279.5314391509. The cubic root of 233464081 is about 615.7532190560.

The spelling of 233464081 in words is "two hundred thirty-three million, four hundred sixty-four thousand, eighty-one".