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64008085 = 514278971
BaseRepresentation
bin1111010000101…
…0111110010101
311110102221120211
43310022332111
5112341224320
610203525421
71405026331
oct364127625
9143387524
1064008085
1133149249
1219529871
131035140b
1487027c1
15594555a
hex3d0af95

64008085 has 8 divisors (see below), whose sum is σ = 76872096. Its totient is φ = 51164880.

The previous prime is 64008083. The next prime is 64008101. The reversal of 64008085 is 58080046.

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

It is not a de Polignac number, because 64008085 - 21 = 64008083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64008083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2650 + ... + 11620.

It is an arithmetic number, because the mean of its divisors is an integer number (9609012).

Almost surely, 264008085 is an apocalyptic number.

It is an amenable number.

64008085 is a deficient number, since it is larger than the sum of its proper divisors (12864011).

64008085 is a wasteful number, since it uses less digits than its factorization.

64008085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10403.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 64008085 is about 8000.5052965422. The cubic root of 64008085 is about 400.0168430408.

The spelling of 64008085 in words is "sixty-four million, eight thousand, eighty-five".

Divisors: 1 5 1427 7135 8971 44855 12801617 64008085