Search a number
-
+
65073740 = 22517771831
BaseRepresentation
bin1111100000111…
…1001001001100
311112110002101112
43320033021030
5113124324430
610242431152
71420055234
oct370171114
9145402345
1065073740
1133806956
12199624b8
1310635494
1488dccc4
155aa6195
hex3e0f24c

65073740 has 24 divisors (see below), whose sum is σ = 136806432. Its totient is φ = 26000640.

The previous prime is 65073737. The next prime is 65073751. The reversal of 65073740 is 4737056.

65073740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65073697 and 65073706.

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 7 ways as a sum of consecutive naturals, for example, 34625 + ... + 36455.

It is an arithmetic number, because the mean of its divisors is an integer number (5700268).

Almost surely, 265073740 is an apocalyptic number.

It is an amenable number.

65073740 is an abundant number, since it is smaller than the sum of its proper divisors (71732692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65073740 is a wasteful number, since it uses less digits than its factorization.

65073740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3617 (or 3615 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 65073740 is about 8066.8296126793. The cubic root of 65073740 is about 402.2245636896.

The spelling of 65073740 in words is "sixty-five million, seventy-three thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1777 1831 3554 3662 7108 7324 8885 9155 17770 18310 35540 36620 3253687 6507374 13014748 16268435 32536870 65073740