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264964057 = 1715586121
BaseRepresentation
bin11111100101100…
…00011111011001
3200110120120100121
433302300133121
51020312322212
642143033241
76365104651
oct1762603731
9613516317
10264964057
11126624466
127489b821
1342b81887
1427293361
15183dcd07
hexfcb07d9

264964057 has 4 divisors (see below), whose sum is σ = 280550196. Its totient is φ = 249377920.

The previous prime is 264964031. The next prime is 264964061. The reversal of 264964057 is 750469462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750469462 = 2375234731.

It can be written as a sum of positive squares in 2 ways, for example, as 182898576 + 82065481 = 13524^2 + 9059^2 .

It is a cyclic number.

It is not a de Polignac number, because 264964057 - 27 = 264963929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264964087) 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 in 3 ways as a sum of consecutive naturals, for example, 7793044 + ... + 7793077.

It is an arithmetic number, because the mean of its divisors is an integer number (70137549).

Almost surely, 2264964057 is an apocalyptic number.

It is an amenable number.

264964057 is a deficient number, since it is larger than the sum of its proper divisors (15586139).

264964057 is a wasteful number, since it uses less digits than its factorization.

264964057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15586138.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 264964057 is about 16277.7165781936. The cubic root of 264964057 is about 642.2867875962.

The spelling of 264964057 in words is "two hundred sixty-four million, nine hundred sixty-four thousand, fifty-seven".

Divisors: 1 17 15586121 264964057