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4857481 is a prime number
BaseRepresentation
bin10010100001111010001001
3100010210012201
4102201322021
52220414411
6252040201
756200516
oct22417211
910123181
104857481
112818552
121763061
131010c65
1490630d
1565e3c1
hex4a1e89

4857481 has 2 divisors, whose sum is σ = 4857482. Its totient is φ = 4857480.

The previous prime is 4857451. The next prime is 4857487. The reversal of 4857481 is 1847584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4447881 + 409600 = 2109^2 + 640^2 .

It is a cyclic number.

It is not a de Polignac number, because 4857481 - 25 = 4857449 is a prime.

It is a super-2 number, since 2×48574812 = 47190243330722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4857481.

It is not a weakly prime, because it can be changed into another prime (4857487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428740 + 2428741.

It is an arithmetic number, because the mean of its divisors is an integer number (2428741).

Almost surely, 24857481 is an apocalyptic number.

It is an amenable number.

4857481 is a deficient number, since it is larger than the sum of its proper divisors (1).

4857481 is an equidigital number, since it uses as much as digits as its factorization.

4857481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 37.

The square root of 4857481 is about 2203.9693736529. The cubic root of 4857481 is about 169.3572150823.

The spelling of 4857481 in words is "four million, eight hundred fifty-seven thousand, four hundred eighty-one".