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264785233 is a prime number
BaseRepresentation
bin11111100100001…
…00110101010001
3200110020111001111
433302010311101
51020241111413
642135133321
76363431416
oct1762046521
9613214044
10264785233
11126512079
1274814241
1342b1b36b
142724810d
15183a4d3d
hexfc84d51

264785233 has 2 divisors, whose sum is σ = 264785234. Its totient is φ = 264785232.

The previous prime is 264785231. The next prime is 264785239. The reversal of 264785233 is 332587462.

264785233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246866944 + 17918289 = 15712^2 + 4233^2 .

It is a cyclic number.

It is not a de Polignac number, because 264785233 - 21 = 264785231 is a prime.

It is a super-2 number, since 2×2647852332 = 140222439229728578, which contains 22 as substring.

Together with 264785231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (264785231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132392616 + 132392617.

It is an arithmetic number, because the mean of its divisors is an integer number (132392617).

Almost surely, 2264785233 is an apocalyptic number.

It is an amenable number.

264785233 is a deficient number, since it is larger than the sum of its proper divisors (1).

264785233 is an equidigital number, since it uses as much as digits as its factorization.

264785233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 264785233 is about 16272.2227430674. Note that the first 3 decimals coincide. The cubic root of 264785233 is about 642.1422621559.

The spelling of 264785233 in words is "two hundred sixty-four million, seven hundred eighty-five thousand, two hundred thirty-three".