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64893316 = 2216223329
BaseRepresentation
bin1111011110001…
…1000110000100
311112002220220011
43313203012010
5113103041231
610234520004
71415404225
oct367430604
9145086804
1064893316
11336a3344
1219896004
13105a1317
14889324c
155a6c9b1
hex3de3184

64893316 has 6 divisors (see below), whose sum is σ = 113563310. Its totient is φ = 32446656.

The previous prime is 64893313. The next prime is 64893337. The reversal of 64893316 is 61339846.

64893316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48246916 + 16646400 = 6946^2 + 4080^2 .

It is a super-2 number, since 2×648933162 = 8422284922951712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64893313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8111661 + ... + 8111668.

Almost surely, 264893316 is an apocalyptic number.

It is an amenable number.

64893316 is a deficient number, since it is larger than the sum of its proper divisors (48669994).

64893316 is a wasteful number, since it uses less digits than its factorization.

64893316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16223333 (or 16223331 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 64893316 is about 8055.6387704514. The cubic root of 64893316 is about 401.8524825272.

The spelling of 64893316 in words is "sixty-four million, eight hundred ninety-three thousand, three hundred sixteen".

Divisors: 1 2 4 16223329 32446658 64893316