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4820808457 is a prime number
BaseRepresentation
bin1000111110101011…
…11011001100001001
3110102222012102222101
410133111323030021
534333111332312
62114210353401
7230315124103
oct43725731411
913388172871
104820808457
112054247823
12b2658b861
135ba9ab9aa
1433a378573
151d335ca57
hex11f57b309

4820808457 has 2 divisors, whose sum is σ = 4820808458. Its totient is φ = 4820808456.

The previous prime is 4820808347. The next prime is 4820808463. The reversal of 4820808457 is 7548080284.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4432363776 + 388444681 = 66576^2 + 19709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4820808457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4820802457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2410404228 + 2410404229.

It is an arithmetic number, because the mean of its divisors is an integer number (2410404229).

Almost surely, 24820808457 is an apocalyptic number.

It is an amenable number.

4820808457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4820808457 is an equidigital number, since it uses as much as digits as its factorization.

4820808457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 573440, while the sum is 46.

The square root of 4820808457 is about 69432.0420051146. The cubic root of 4820808457 is about 1689.2993906279.

The spelling of 4820808457 in words is "four billion, eight hundred twenty million, eight hundred eight thousand, four hundred fifty-seven".