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264888913 is a prime number
BaseRepresentation
bin11111100100111…
…10001001010001
3200110102202021111
433302132021101
51020302421123
642141253321
76364342612
oct1762361121
9613382244
10264888913
11126582a63
1274864241
1342b56603
1427273c09
15183c590d
hexfc9e251

264888913 has 2 divisors, whose sum is σ = 264888914. Its totient is φ = 264888912.

The previous prime is 264888863. The next prime is 264888941. The reversal of 264888913 is 319888462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189667984 + 75220929 = 13772^2 + 8673^2 .

It is a cyclic number.

It is not a de Polignac number, because 264888913 - 217 = 264757841 is a prime.

It is a super-2 number, since 2×2648889132 = 140332272460643138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264888983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132444456 + 132444457.

It is an arithmetic number, because the mean of its divisors is an integer number (132444457).

Almost surely, 2264888913 is an apocalyptic number.

It is an amenable number.

264888913 is a deficient number, since it is larger than the sum of its proper divisors (1).

264888913 is an equidigital number, since it uses as much as digits as its factorization.

264888913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 264888913 is about 16275.4082283671. The cubic root of 264888913 is about 642.2260641882.

The spelling of 264888913 in words is "two hundred sixty-four million, eight hundred eighty-eight thousand, nine hundred thirteen".