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65066005 = 527674703
BaseRepresentation
bin1111100000110…
…1010000010101
311112102200210001
43320031100111
5113124103010
610242331301
71420023544
oct370152025
9145380701
1065066005
1133801064
1219959b31
1310631ac4
1488da15b
155aa3c3a
hex3e0d415

65066005 has 8 divisors (see below), whose sum is σ = 78124032. Its totient is φ = 52022928.

The previous prime is 65065961. The next prime is 65066047. The reversal of 65066005 is 50066056.

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 65066005 - 27 = 65065877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 11484 + ... + 16186.

It is an arithmetic number, because the mean of its divisors is an integer number (9765504).

Almost surely, 265066005 is an apocalyptic number.

It is an amenable number.

65066005 is a deficient number, since it is larger than the sum of its proper divisors (13058027).

65066005 is a wasteful number, since it uses less digits than its factorization.

65066005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 65066005 is about 8066.3501659673. The cubic root of 65066005 is about 402.2086262301.

The spelling of 65066005 in words is "sixty-five million, sixty-six thousand, five".

Divisors: 1 5 2767 4703 13835 23515 13013201 65066005