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64949882 = 235391997
BaseRepresentation
bin1111011111000…
…0111001111010
311112012210111012
43313300321322
5113111344012
610240033522
71416031154
oct367607172
9145183435
1064949882
1133731898
12199028a2
13105c0caa
1488a9ad4
155a7e622
hex3df0e7a

64949882 has 8 divisors (see below), whose sum is σ = 97701876. Its totient is φ = 32382592.

The previous prime is 64949881. The next prime is 64949887. The reversal of 64949882 is 28894946.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64947481 + 2401 = 8059^2 + 49^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 64949882.

It is not an unprimeable number, because it can be changed into a prime (64949881) 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, 45293 + ... + 46704.

Almost surely, 264949882 is an apocalyptic number.

64949882 is a deficient number, since it is larger than the sum of its proper divisors (32751994).

64949882 is a wasteful number, since it uses less digits than its factorization.

64949882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92352.

The product of its digits is 995328, while the sum is 50.

The square root of 64949882 is about 8059.1489625146. The cubic root of 64949882 is about 401.9692104501.

The spelling of 64949882 in words is "sixty-four million, nine hundred forty-nine thousand, eight hundred eighty-two".

Divisors: 1 2 353 706 91997 183994 32474941 64949882