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264892049 is a prime number
BaseRepresentation
bin11111100100111…
…10111010010001
3200110102220120122
433302132322101
51020303021144
642141320025
76364355012
oct1762367221
9613386518
10264892049
11126585354
1274866015
1342b57b76
1427275009
15183c67ee
hexfc9ee91

264892049 has 2 divisors, whose sum is σ = 264892050. Its totient is φ = 264892048.

The previous prime is 264892031. The next prime is 264892057. The reversal of 264892049 is 940298462.

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., 263088400 + 1803649 = 16220^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 264892049 - 28 = 264891793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (264892009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132446024 + 132446025.

It is an arithmetic number, because the mean of its divisors is an integer number (132446025).

Almost surely, 2264892049 is an apocalyptic number.

It is an amenable number.

264892049 is a deficient number, since it is larger than the sum of its proper divisors (1).

264892049 is an equidigital number, since it uses as much as digits as its factorization.

264892049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 264892049 is about 16275.5045697514. The cubic root of 264892049 is about 642.2285986003.

The spelling of 264892049 in words is "two hundred sixty-four million, eight hundred ninety-two thousand, forty-nine".