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223333340 = 22571157277
BaseRepresentation
bin11010100111111…
…00101111011100
3120120020111202012
431103330233130
5424133131330
634054450352
75351205416
oct1523745734
9516214665
10223333340
1110507a70a
12629639b8
1337366a09
14219379b6
1514917c95
hexd4fcbdc

223333340 has 24 divisors (see below), whose sum is σ = 475608672. Its totient is φ = 88074560.

The previous prime is 223333333. The next prime is 223333351. The reversal of 223333340 is 43333322.

223333340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77219 + ... + 80058.

It is an arithmetic number, because the mean of its divisors is an integer number (19817028).

Almost surely, 2223333340 is an apocalyptic number.

223333340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223333340 is an abundant number, since it is smaller than the sum of its proper divisors (252275332).

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

223333340 is a wasteful number, since it uses less digits than its factorization.

223333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157357 (or 157355 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 23.

The square root of 223333340 is about 14944.3414040231. The cubic root of 223333340 is about 606.7147038939.

Adding to 223333340 its reverse (43333322), we get a palindrome (266666662).

The spelling of 223333340 in words is "two hundred twenty-three million, three hundred thirty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 71 142 284 355 710 1420 157277 314554 629108 786385 1572770 3145540 11166667 22333334 44666668 55833335 111666670 223333340