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64895011 = 298632593
BaseRepresentation
bin1111011110001…
…1100000100011
311112010000012221
43313203200203
5113103120021
610234531511
71415412166
oct367434043
9145100187
1064895011
11336a4645
1219896b97
13105a201c
148893add
155a6d241
hex3de3823

64895011 has 8 divisors (see below), whose sum is σ = 67236480. Its totient is φ = 62560512.

The previous prime is 64894993. The next prime is 64895021. The reversal of 64895011 is 11059846.

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

It is a cyclic number.

It is not a de Polignac number, because 64895011 - 211 = 64892963 is a prime.

It is a super-2 number, since 2×648950112 = 8422724905380242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64895021) 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, 23731 + ... + 26323.

It is an arithmetic number, because the mean of its divisors is an integer number (8404560).

Almost surely, 264895011 is an apocalyptic number.

64895011 is a deficient number, since it is larger than the sum of its proper divisors (2341469).

64895011 is a wasteful number, since it uses less digits than its factorization.

64895011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 64895011 is about 8055.7439755742. The cubic root of 64895011 is about 401.8559812646.

It can be divided in two parts, 648 and 95011, that added together give a palindrome (95659).

The spelling of 64895011 in words is "sixty-four million, eight hundred ninety-five thousand, eleven".

Divisors: 1 29 863 2593 25027 75197 2237759 64895011