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23205622 = 211295891
BaseRepresentation
bin101100010000…
…1011011110110
31121122222010111
41120201123312
521420034442
62145213234
7401146606
oct130413366
947588114
1023205622
111210a800
12793121a
134a6654b
143120c06
152085b17
hex16216f6

23205622 has 12 divisors (see below), whose sum is σ = 38260908. Its totient is φ = 10547900.

The previous prime is 23205619. The next prime is 23205641. The reversal of 23205622 is 22650232.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 23205593 and 23205602.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 47704 + ... + 48187.

It is an arithmetic number, because the mean of its divisors is an integer number (3188409).

Almost surely, 223205622 is an apocalyptic number.

23205622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23205622 is a deficient number, since it is larger than the sum of its proper divisors (15055286).

23205622 is a wasteful number, since it uses less digits than its factorization.

23205622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95915 (or 95904 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 23205622 is about 4817.2213982752. The cubic root of 23205622 is about 285.2316655407.

Adding to 23205622 its reverse (22650232), we get a palindrome (45855854).

The spelling of 23205622 in words is "twenty-three million, two hundred five thousand, six hundred twenty-two".

Divisors: 1 2 11 22 121 242 95891 191782 1054801 2109602 11602811 23205622