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4787161 is a prime number
BaseRepresentation
bin10010010000101111011001
3100000012202021
4102100233121
52211142121
6250334441
755455511
oct22205731
910005667
104787161
11277a735
12172a421
13cb7c52
148c8841
15648641
hex490bd9

4787161 has 2 divisors, whose sum is σ = 4787162. Its totient is φ = 4787160.

The previous prime is 4787099. The next prime is 4787173. The reversal of 4787161 is 1617874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 866761 = 1980^2 + 931^2 .

It is a cyclic number.

It is not a de Polignac number, because 4787161 - 211 = 4785113 is a prime.

It is not a weakly prime, because it can be changed into another prime (4787261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2393580 + 2393581.

It is an arithmetic number, because the mean of its divisors is an integer number (2393581).

Almost surely, 24787161 is an apocalyptic number.

It is an amenable number.

4787161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4787161 is an equidigital number, since it uses as much as digits as its factorization.

4787161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 34.

The square root of 4787161 is about 2187.9581805876. The cubic root of 4787161 is about 168.5359983198.

The spelling of 4787161 in words is "four million, seven hundred eighty-seven thousand, one hundred sixty-one".