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622419089 = 2699230611
BaseRepresentation
bin100101000110010…
…101110010010001
31121101012011110212
4211012111302101
52233314402324
6141432333505
721265321625
oct4506256221
91541164425
10622419089
1129a380746
12154544295
139bc48126
145c941185
153999a70e
hex25195c91

622419089 has 4 divisors (see below), whose sum is σ = 622652400. Its totient is φ = 622185780.

The previous prime is 622419071. The next prime is 622419139. The reversal of 622419089 is 980914226.

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, and also an emirpimes, since its reverse is a distinct semiprime: 980914226 = 2490457113.

It is a cyclic number.

It is not a de Polignac number, because 622419089 - 220 = 621370513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622419059) 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, 112607 + ... + 118004.

It is an arithmetic number, because the mean of its divisors is an integer number (155663100).

Almost surely, 2622419089 is an apocalyptic number.

It is an amenable number.

622419089 is a deficient number, since it is larger than the sum of its proper divisors (233311).

622419089 is a wasteful number, since it uses less digits than its factorization.

622419089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233310.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 622419089 is about 24948.3283808755. The cubic root of 622419089 is about 853.8094707931.

The spelling of 622419089 in words is "six hundred twenty-two million, four hundred nineteen thousand, eighty-nine".

Divisors: 1 2699 230611 622419089