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82046728 = 2350920149
BaseRepresentation
bin1001110001111…
…10111100001000
312201101101221201
410320332330020
5132000443403
612050313544
72014246201
oct470767410
9181341851
1082046728
1142349a15
12235888b4
1313cc8b7a
14ac7a5a8
15730a21d
hex4e3ef08

82046728 has 16 divisors (see below), whose sum is σ = 154147500. Its totient is φ = 40940736.

The previous prime is 82046719. The next prime is 82046729. The reversal of 82046728 is 82764028.

It can be written as a sum of positive squares in 2 ways, for example, as 80245764 + 1800964 = 8958^2 + 1342^2 .

It is not an unprimeable number, because it can be changed into a prime (82046729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6003 + ... + 14146.

Almost surely, 282046728 is an apocalyptic number.

It is an amenable number.

82046728 is a deficient number, since it is larger than the sum of its proper divisors (72100772).

82046728 is a wasteful number, since it uses less digits than its factorization.

82046728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20664 (or 20660 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 82046728 is about 9057.9648928443. The cubic root of 82046728 is about 434.5306568619.

The spelling of 82046728 in words is "eighty-two million, forty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 509 1018 2036 4072 20149 40298 80596 161192 10255841 20511682 41023364 82046728