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36656281 is a prime number
BaseRepresentation
bin1000101111010…
…1010010011001
32112222022222001
42023311102121
533341000111
63345401001
7623400424
oct213652231
975868861
1036656281
1119767452
1210339161
13779590c
144c229bb
1533411c1
hex22f5499

36656281 has 2 divisors, whose sum is σ = 36656282. Its totient is φ = 36656280.

The previous prime is 36656251. The next prime is 36656299. The reversal of 36656281 is 18265663.

36656281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30702681 + 5953600 = 5541^2 + 2440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-36656281 is a prime.

It is a super-2 number, since 2×366562812 = 2687365873501922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36656281.

It is not a weakly prime, because it can be changed into another prime (36656251) 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, 18328140 + 18328141.

It is an arithmetic number, because the mean of its divisors is an integer number (18328141).

Almost surely, 236656281 is an apocalyptic number.

It is an amenable number.

36656281 is a deficient number, since it is larger than the sum of its proper divisors (1).

36656281 is an equidigital number, since it uses as much as digits as its factorization.

36656281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 36656281 is about 6054.4430792601. The cubic root of 36656281 is about 332.1871283825.

The spelling of 36656281 in words is "thirty-six million, six hundred fifty-six thousand, two hundred eighty-one".