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65652128 = 252051629
BaseRepresentation
bin1111101001110…
…0010110100000
311120112110210022
43322130112200
5113301332003
610303053012
71425014423
oct372342640
9146473708
1065652128
1134071463
1219ba1168
13107a8819
148a0d9ba
155b6c738
hex3e9c5a0

65652128 has 12 divisors (see below), whose sum is σ = 129252690. Its totient is φ = 32826048.

The previous prime is 65652127. The next prime is 65652131. The reversal of 65652128 is 82125656.

65652128 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 only one way, i.e., 65092624 + 559504 = 8068^2 + 748^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65652127) by changing a digit.

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 as a sum of consecutive naturals, namely, 1025783 + ... + 1025846.

Almost surely, 265652128 is an apocalyptic number.

It is an amenable number.

65652128 is a deficient number, since it is larger than the sum of its proper divisors (63600562).

65652128 is a wasteful number, since it uses less digits than its factorization.

65652128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051639 (or 2051631 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 65652128 is about 8102.6000765186. The cubic root of 65652128 is about 403.4127336491.

The spelling of 65652128 in words is "sixty-five million, six hundred fifty-two thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 2051629 4103258 8206516 16413032 32826064 65652128