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620029 is a prime number
BaseRepresentation
bin10010111010111111101
31011111112001
42113113331
5124320104
621142301
75161444
oct2272775
91144461
10620029
11393923
1225a991
131892a7
14121d5b
15c3aa4
hex975fd

620029 has 2 divisors, whose sum is σ = 620030. Its totient is φ = 620028.

The previous prime is 620003. The next prime is 620033. The reversal of 620029 is 920026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 597529 + 22500 = 773^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 620029 - 213 = 611837 is a prime.

It is a super-3 number, since 3×6200293 = 715084333092853167, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 619988 and 620015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310014 + 310015.

It is an arithmetic number, because the mean of its divisors is an integer number (310015).

2620029 is an apocalyptic number.

It is an amenable number.

620029 is a deficient number, since it is larger than the sum of its proper divisors (1).

620029 is an equidigital number, since it uses as much as digits as its factorization.

620029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 620029 is about 787.4192022043. The cubic root of 620029 is about 85.2715192935.

The spelling of 620029 in words is "six hundred twenty thousand, twenty-nine".