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264787241 is a prime number
BaseRepresentation
bin11111100100001…
…01010100101001
3200110020120210212
433302011110221
51020241142431
642135150505
76363440315
oct1762052451
9613216725
10264787241
11126513634
1274815435
1342b1c254
1427248b45
15183a572b
hexfc85529

264787241 has 2 divisors, whose sum is σ = 264787242. Its totient is φ = 264787240.

The previous prime is 264787183. The next prime is 264787261. The reversal of 264787241 is 142787462.

It is a happy number.

264787241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259854400 + 4932841 = 16120^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 264787241 - 26 = 264787177 is a prime.

It is a super-2 number, since 2×2647872412 = 140224565992784162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264787261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132393620 + 132393621.

It is an arithmetic number, because the mean of its divisors is an integer number (132393621).

Almost surely, 2264787241 is an apocalyptic number.

It is an amenable number.

264787241 is a deficient number, since it is larger than the sum of its proper divisors (1).

264787241 is an equidigital number, since it uses as much as digits as its factorization.

264787241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 41.

The square root of 264787241 is about 16272.2844431874. The cubic root of 264787241 is about 642.1438853814.

The spelling of 264787241 in words is "two hundred sixty-four million, seven hundred eighty-seven thousand, two hundred forty-one".