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223486040 = 235151163227
BaseRepresentation
bin11010101001000…
…10000001011000
3120120112021012202
431110202001120
5424203023130
634102025332
75352412541
oct1524420130
9516467182
10223486040
11105174408
1262a18248
13373bb37b
14219774c8
1514948145
hexd522058

223486040 has 64 divisors (see below), whose sum is σ = 511522560. Its totient is φ = 87868800.

The previous prime is 223486027. The next prime is 223486073. The reversal of 223486040 is 40684322.

It is a junction number, because it is equal to n+sod(n) for n = 223485994 and 223486012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 984407 + ... + 984633.

It is an arithmetic number, because the mean of its divisors is an integer number (7992540).

Almost surely, 2223486040 is an apocalyptic number.

223486040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223486040 is an abundant number, since it is smaller than the sum of its proper divisors (288036520).

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

223486040 is a wasteful number, since it uses less digits than its factorization.

223486040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 223486040 is about 14949.4494881919. The cubic root of 223486040 is about 606.8529490069.

The spelling of 223486040 in words is "two hundred twenty-three million, four hundred eighty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 151 163 227 302 326 454 604 652 755 815 908 1135 1208 1304 1510 1630 1816 2270 3020 3260 4540 6040 6520 9080 24613 34277 37001 49226 68554 74002 98452 123065 137108 148004 171385 185005 196904 246130 274216 296008 342770 370010 492260 685540 740020 984520 1371080 1480040 5587151 11174302 22348604 27935755 44697208 55871510 111743020 223486040