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224258540 = 225111019357
BaseRepresentation
bin11010101110111…
…10100111101100
3120121222111212212
431113132213230
5424402233130
634130345552
75362110662
oct1527364754
9517874785
10224258540
11105651840
126312b2b8
13375cbb7c
1421ad8c32
1514a4be95
hexd5de9ec

224258540 has 24 divisors (see below), whose sum is σ = 513756432. Its totient is φ = 81548480.

The previous prime is 224258519. The next prime is 224258549. The reversal of 224258540 is 45852422.

It is a junction number, because it is equal to n+sod(n) for n = 224258497 and 224258506.

It is not an unprimeable number, because it can be changed into a prime (224258549) 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, 509459 + ... + 509898.

It is an arithmetic number, because the mean of its divisors is an integer number (21406518).

Almost surely, 2224258540 is an apocalyptic number.

224258540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224258540 is an abundant number, since it is smaller than the sum of its proper divisors (289497892).

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

224258540 is a wasteful number, since it uses less digits than its factorization.

224258540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019377 (or 1019375 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The square root of 224258540 is about 14975.2642714578. The cubic root of 224258540 is about 607.5513592147.

The spelling of 224258540 in words is "two hundred twenty-four million, two hundred fifty-eight thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 1019357 2038714 4077428 5096785 10193570 11212927 20387140 22425854 44851708 56064635 112129270 224258540