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203424222304 = 2519523639731
BaseRepresentation
bin1011110101110100000…
…1110100110001100000
3201110001222120012102201
42331131001310301200
511313103100103204
6233241331022544
720461020234262
oct2753501646140
9643058505381
10203424222304
11792a9741096
123351243aa54
131624b876214
149bbab95b32
155458db39a4
hex2f5d074c60

203424222304 has 48 divisors (see below), whose sum is σ = 422376655680. Its totient is φ = 96174449280.

The previous prime is 203424222301. The next prime is 203424222317. The reversal of 203424222304 is 403222424302.

It is a happy number.

203424222304 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2034242223042 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203424222301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882 + ... + 637849.

It is an arithmetic number, because the mean of its divisors is an integer number (8799513660).

Almost surely, 2203424222304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203424222304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211188327840).

203424222304 is an abundant number, since it is smaller than the sum of its proper divisors (218952433376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203424222304 is a wasteful number, since it uses less digits than its factorization.

203424222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640283 (or 640275 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 203424222304 its reverse (403222424302), we get a palindrome (606646646606).

The spelling of 203424222304 in words is "two hundred three billion, four hundred twenty-four million, two hundred twenty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 523 608 1046 2092 4184 8368 9937 16736 19874 39748 79496 158992 317984 639731 1279462 2558924 5117848 10235696 12154889 20471392 24309778 48619556 97239112 194478224 334579313 388956448 669158626 1338317252 2676634504 5353269008 6357006947 10706538016 12714013894 25428027788 50856055576 101712111152 203424222304