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65065475 = 5225110369
BaseRepresentation
bin1111100000110…
…1001000000011
311112102200001102
43320031020003
5113124043400
610242325015
71420022156
oct370151003
9145380042
1065065475
1133800722
121995976b
13106317a7
1488d9c9d
155aa39d5
hex3e0d203

65065475 has 12 divisors (see below), whose sum is σ = 81010440. Its totient is φ = 51840000.

The previous prime is 65065453. The next prime is 65065489. The reversal of 65065475 is 57456056.

It is not a de Polignac number, because 65065475 - 28 = 65065219 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1091 + ... + 11459.

It is an arithmetic number, because the mean of its divisors is an integer number (6750870).

Almost surely, 265065475 is an apocalyptic number.

65065475 is a deficient number, since it is larger than the sum of its proper divisors (15944965).

65065475 is a wasteful number, since it uses less digits than its factorization.

65065475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630 (or 10625 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 65065475 is about 8066.3173133717. The cubic root of 65065475 is about 402.2075341537.

The spelling of 65065475 in words is "sixty-five million, sixty-five thousand, four hundred seventy-five".

Divisors: 1 5 25 251 1255 6275 10369 51845 259225 2602619 13013095 65065475