Search a number
-
+
5420819 is a prime number
BaseRepresentation
bin10100101011011100010011
3101012101222002
4110223130103
52341431234
6312104215
764035065
oct24533423
911171862
105420819
113072818
12199506b
13117a4b1
14a11735
1572127e
hex52b713

5420819 has 2 divisors, whose sum is σ = 5420820. Its totient is φ = 5420818.

The previous prime is 5420803. The next prime is 5420827. The reversal of 5420819 is 9180245.

5420819 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5420819 - 24 = 5420803 is a prime.

It is a super-2 number, since 2×54208192 = 58770557261522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 5420791 and 5420800.

It is not a weakly prime, because it can be changed into another prime (5420879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710409 + 2710410.

It is an arithmetic number, because the mean of its divisors is an integer number (2710410).

Almost surely, 25420819 is an apocalyptic number.

5420819 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420819 is an equidigital number, since it uses as much as digits as its factorization.

5420819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 5420819 is about 2328.2652340316. The cubic root of 5420819 is about 175.6662385905. Note that the first 3 decimals are identical.

The spelling of 5420819 in words is "five million, four hundred twenty thousand, eight hundred nineteen".