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4871281 is a prime number
BaseRepresentation
bin10010100101010001110001
3100011111010211
4102211101301
52221340111
6252224121
756255662
oct22452161
910144124
104871281
112827958
12176b041
13101731c
1490b369
15663521
hex4a5471

4871281 has 2 divisors, whose sum is σ = 4871282. Its totient is φ = 4871280.

The previous prime is 4871267. The next prime is 4871291. The reversal of 4871281 is 1821784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4165681 + 705600 = 2041^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4871281 - 221 = 2774129 is a prime.

It is a super-2 number, since 2×48712812 = 47458757161922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4871261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2435640 + 2435641.

It is an arithmetic number, because the mean of its divisors is an integer number (2435641).

Almost surely, 24871281 is an apocalyptic number.

It is an amenable number.

4871281 is a deficient number, since it is larger than the sum of its proper divisors (1).

4871281 is an equidigital number, since it uses as much as digits as its factorization.

4871281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584, while the sum is 31.

The square root of 4871281 is about 2207.0978682424. The cubic root of 4871281 is about 169.5174435223.

The spelling of 4871281 in words is "four million, eight hundred seventy-one thousand, two hundred eighty-one".