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622029 = 3207343
BaseRepresentation
bin10010111110111001101
31011121021010
42113313031
5124401104
621155433
75200332
oct2276715
91147233
10622029
11395381
1225bb79
1318a185
14122989
15c4489
hex97dcd

622029 has 4 divisors (see below), whose sum is σ = 829376. Its totient is φ = 414684.

The previous prime is 622019. The next prime is 622043. The reversal of 622029 is 920226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 622029 - 25 = 621997 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

622029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 621996 and 622014.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622029.

It is not an unprimeable number, because it can be changed into a prime (622009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103669 + ... + 103674.

It is an arithmetic number, because the mean of its divisors is an integer number (207344).

2622029 is an apocalyptic number.

It is an amenable number.

622029 is a deficient number, since it is larger than the sum of its proper divisors (207347).

622029 is a wasteful number, since it uses less digits than its factorization.

622029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207346.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 622029 is about 788.6881512994. The cubic root of 622029 is about 85.3631064050.

The spelling of 622029 in words is "six hundred twenty-two thousand, twenty-nine".

Divisors: 1 3 207343 622029