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264270481 is a prime number
BaseRepresentation
bin11111100000001…
…11001010010001
3200102021022221121
433300013022101
51020123123411
642120122241
76356155606
oct1760071221
9612238847
10264270481
111261a0362
1274606381
134299ac87
14271526ad
1518302571
hexfc07291

264270481 has 2 divisors, whose sum is σ = 264270482. Its totient is φ = 264270480.

The previous prime is 264270431. The next prime is 264270497. The reversal of 264270481 is 184072462.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215619856 + 48650625 = 14684^2 + 6975^2 .

It is a cyclic number.

It is not a de Polignac number, because 264270481 - 217 = 264139409 is a prime.

It is a super-2 number, since 2×2642704812 = 139677774255942722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264270431) 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, 132135240 + 132135241.

It is an arithmetic number, because the mean of its divisors is an integer number (132135241).

Almost surely, 2264270481 is an apocalyptic number.

It is an amenable number.

264270481 is a deficient number, since it is larger than the sum of its proper divisors (1).

264270481 is an equidigital number, since it uses as much as digits as its factorization.

264270481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 264270481 is about 16256.3981558031. The cubic root of 264270481 is about 641.7258763451.

The spelling of 264270481 in words is "two hundred sixty-four million, two hundred seventy thousand, four hundred eighty-one".