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64801105 = 513993239
BaseRepresentation
bin1111011100110…
…0100101010001
311111221020101221
43313030211101
5113042113410
610232525041
71414541335
oct367144521
9144836357
1064801105
1133640036
1219850781
131056b365
14886b7c5
155a504da
hex3dcc951

64801105 has 8 divisors (see below), whose sum is σ = 78321600. Its totient is φ = 51467376.

The previous prime is 64801081. The next prime is 64801117. The reversal of 64801105 is 50110846.

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 64801105 - 27 = 64800977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64801105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45925 + ... + 47314.

It is an arithmetic number, because the mean of its divisors is an integer number (9790200).

Almost surely, 264801105 is an apocalyptic number.

It is an amenable number.

64801105 is a deficient number, since it is larger than the sum of its proper divisors (13520495).

64801105 is a wasteful number, since it uses less digits than its factorization.

64801105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93383.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 64801105 is about 8049.9133535710. The cubic root of 64801105 is about 401.6620531333.

The spelling of 64801105 in words is "sixty-four million, eight hundred one thousand, one hundred five".

Divisors: 1 5 139 695 93239 466195 12960221 64801105