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4980161 is a prime number
BaseRepresentation
bin10010111111110111000001
3100101000111102
4102333313001
52233331121
6254424145
760221264
oct22776701
910330442
104980161
1128a173a
121802055
131054a54
14938cdb
1568590b
hex4bfdc1

4980161 has 2 divisors, whose sum is σ = 4980162. Its totient is φ = 4980160.

The previous prime is 4980127. The next prime is 4980169. The reversal of 4980161 is 1610894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4490161 + 490000 = 2119^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4980161 - 26 = 4980097 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4980169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2490080 + 2490081.

It is an arithmetic number, because the mean of its divisors is an integer number (2490081).

Almost surely, 24980161 is an apocalyptic number.

It is an amenable number.

4980161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4980161 is an equidigital number, since it uses as much as digits as its factorization.

4980161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 4980161 is about 2231.6274330631. The cubic root of 4980161 is about 170.7711334668.

The spelling of 4980161 in words is "four million, nine hundred eighty thousand, one hundred sixty-one".