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65482728 = 2332728447
BaseRepresentation
bin1111100111001…
…0111111101000
311120012212102020
43321302333220
5113230421403
610255304440
71423410513
oct371627750
9146185366
1065482728
1133a66163
1219b1b120
131074969c
1489a7d7a
155b37453
hex3e72fe8

65482728 has 16 divisors (see below), whose sum is σ = 163706880. Its totient is φ = 21827568.

The previous prime is 65482727. The next prime is 65482733. The reversal of 65482728 is 82728456.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 65482728.

It is not an unprimeable number, because it can be changed into a prime (65482727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1364200 + ... + 1364247.

It is an arithmetic number, because the mean of its divisors is an integer number (10231680).

Almost surely, 265482728 is an apocalyptic number.

It is an amenable number.

65482728 is an abundant number, since it is smaller than the sum of its proper divisors (98224152).

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

65482728 is a wasteful number, since it uses less digits than its factorization.

65482728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728456 (or 2728452 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 65482728 is about 8092.1398900414. The cubic root of 65482728 is about 403.0654639799.

The spelling of 65482728 in words is "sixty-five million, four hundred eighty-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 2728447 5456894 8185341 10913788 16370682 21827576 32741364 65482728