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83528768 = 261305137
BaseRepresentation
bin1001111101010…
…00110001000000
312211011200221002
410332220301000
5132340410033
612142151132
72032661051
oct476506100
9184150832
1083528768
1143171444
1223b824a8
13143c760b
14b144728
1574ee3e8
hex4fa8c40

83528768 has 14 divisors (see below), whose sum is σ = 165752526. Its totient is φ = 41764352.

The previous prime is 83528761. The next prime is 83528813. The reversal of 83528768 is 86782538.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 937024 = 9088^2 + 968^2 .

It is not an unprimeable number, because it can be changed into a prime (83528761) by changing a digit.

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 as a sum of consecutive naturals, namely, 652505 + ... + 652632.

Almost surely, 283528768 is an apocalyptic number.

It is an amenable number.

83528768 is a deficient number, since it is larger than the sum of its proper divisors (82223758).

83528768 is a wasteful number, since it uses less digits than its factorization.

83528768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305149 (or 1305139 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 83528768 is about 9139.4074206154. The cubic root of 83528768 is about 437.1314216000.

The spelling of 83528768 in words is "eighty-three million, five hundred twenty-eight thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 16 32 64 1305137 2610274 5220548 10441096 20882192 41764384 83528768