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65374745 = 5373131129
BaseRepresentation
bin1111100101100…
…0101000011001
311120000101021212
43321120220121
5113213442440
610253112505
71422450632
oct371305031
9146011255
1065374745
11339a2017
1219a88735
131070c4a7
14897a889
155b15465
hex3e58a19

65374745 has 16 divisors (see below), whose sum is σ = 80898960. Its totient is φ = 50678784.

The previous prime is 65374733. The next prime is 65374759. The reversal of 65374745 is 54747356.

65374745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 11909401 + 53465344 = 3451^2 + 7312^2 .

It is a cyclic number.

It is not a de Polignac number, because 65374745 - 212 = 65370649 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57341 + ... + 58469.

It is an arithmetic number, because the mean of its divisors is an integer number (5056185).

Almost surely, 265374745 is an apocalyptic number.

It is an amenable number.

65374745 is a deficient number, since it is larger than the sum of its proper divisors (15524215).

65374745 is a wasteful number, since it uses less digits than its factorization.

65374745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484.

The product of its digits is 352800, while the sum is 41.

The square root of 65374745 is about 8085.4650453762. The cubic root of 65374745 is about 402.8437863685.

The spelling of 65374745 in words is "sixty-five million, three hundred seventy-four thousand, seven hundred forty-five".

Divisors: 1 5 37 185 313 1129 1565 5645 11581 41773 57905 208865 353377 1766885 13074949 65374745