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264949849 is a prime number
BaseRepresentation
bin11111100101011…
…01000001011001
3200110112211212101
433302231001121
51020311343344
642142443401
76365015353
oct1762550131
9613484771
10264949849
1112661481a
1274893561
1342b78278
142728c0d3
15183d89d4
hexfcad059

264949849 has 2 divisors, whose sum is σ = 264949850. Its totient is φ = 264949848.

The previous prime is 264949847. The next prime is 264949877. The reversal of 264949849 is 948949462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167236624 + 97713225 = 12932^2 + 9885^2 .

It is a cyclic number.

It is not a de Polignac number, because 264949849 - 21 = 264949847 is a prime.

Together with 264949847, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 264949849.

It is not a weakly prime, because it can be changed into another prime (264949847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132474924 + 132474925.

It is an arithmetic number, because the mean of its divisors is an integer number (132474925).

Almost surely, 2264949849 is an apocalyptic number.

It is an amenable number.

264949849 is a deficient number, since it is larger than the sum of its proper divisors (1).

264949849 is an equidigital number, since it uses as much as digits as its factorization.

264949849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4478976, while the sum is 55.

The square root of 264949849 is about 16277.2801474939. The cubic root of 264949849 is about 642.2753070783.

The spelling of 264949849 in words is "two hundred sixty-four million, nine hundred forty-nine thousand, eight hundred forty-nine".