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3012161 is a prime number
BaseRepresentation
bin1011011111011001000001
312200000220112
423133121001
51232342121
6144321105
734413545
oct13373101
95600815
103012161
111778099
121013195
13816059
14585a25
153e775b
hex2df641

3012161 has 2 divisors, whose sum is σ = 3012162. Its totient is φ = 3012160.

The previous prime is 3012137. The next prime is 3012169. The reversal of 3012161 is 1612103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3010225 + 1936 = 1735^2 + 44^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3012161 is a prime.

It is a super-3 number, since 3×30121613 = 81989039423334987843, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3012169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506080 + 1506081.

It is an arithmetic number, because the mean of its divisors is an integer number (1506081).

Almost surely, 23012161 is an apocalyptic number.

It is an amenable number.

3012161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012161 is an equidigital number, since it uses as much as digits as its factorization.

3012161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 3012161 is about 1735.5578353947. The cubic root of 3012161 is about 144.4195742630.

Adding to 3012161 its reverse (1612103), we get a palindrome (4624264).

It can be divided in two parts, 30121 and 61, that multiplied together give a palindrome (1837381).

The spelling of 3012161 in words is "three million, twelve thousand, one hundred sixty-one".