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264902249 is a prime number
BaseRepresentation
bin11111100101000…
…01011001101001
3200110110102120102
433302201121221
51020303332444
642141435145
76364426523
oct1762413151
9613412512
10264902249
11126591a87
127486bab5
1342b5c6c1
1427278a13
15183c984e
hexfca1669

264902249 has 2 divisors, whose sum is σ = 264902250. Its totient is φ = 264902248.

The previous prime is 264902243. The next prime is 264902251. The reversal of 264902249 is 942209462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191628649 + 73273600 = 13843^2 + 8560^2 .

It is a cyclic number.

It is not a de Polignac number, because 264902249 - 28 = 264901993 is a prime.

Together with 264902251, 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 (264902243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132451124 + 132451125.

It is an arithmetic number, because the mean of its divisors is an integer number (132451125).

Almost surely, 2264902249 is an apocalyptic number.

It is an amenable number.

264902249 is a deficient number, since it is larger than the sum of its proper divisors (1).

264902249 is an equidigital number, since it uses as much as digits as its factorization.

264902249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 264902249 is about 16275.8179210754. The cubic root of 264902249 is about 642.2368417666.

The spelling of 264902249 in words is "two hundred sixty-four million, nine hundred two thousand, two hundred forty-nine".