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65056401 = 3222813169
BaseRepresentation
bin1111100000101…
…0111010010001
311112102012121100
43320022322101
5113123301101
610242215013
71416653544
oct370127221
9145365540
1065056401
11337a4923
1219954469
131062a617
1488d685b
155aa0e86
hex3e0ae91

65056401 has 12 divisors (see below), whose sum is σ = 94041220. Its totient is φ = 43338240.

The previous prime is 65056393. The next prime is 65056403. The reversal of 65056401 is 10465056.

It is a happy number.

65056401 is a `hidden beast` number, since 650 + 5 + 6 + 4 + 0 + 1 = 666.

65056401 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 2 ways, for example, as 46908801 + 18147600 = 6849^2 + 4260^2 .

It is not a de Polignac number, because 65056401 - 23 = 65056393 is a prime.

It is a super-2 number, since 2×650564012 = 8464670622145602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65056403) 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 in 11 ways as a sum of consecutive naturals, for example, 18945 + ... + 22113.

Almost surely, 265056401 is an apocalyptic number.

It is an amenable number.

65056401 is a deficient number, since it is larger than the sum of its proper divisors (28984819).

65056401 is a wasteful number, since it uses less digits than its factorization.

65056401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5453 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 65056401 is about 8065.7548313844. The cubic root of 65056401 is about 402.1888360611.

The spelling of 65056401 in words is "sixty-five million, fifty-six thousand, four hundred one".

Divisors: 1 3 9 2281 3169 6843 9507 20529 28521 7228489 21685467 65056401