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206325240 = 233511156307
BaseRepresentation
bin11000100110001…
…00010111111000
3112101020102000120
430103010113320
5410304401430
632250133240
75053510212
oct1423042770
9471212016
10206325240
11a6513230
1259121220
1333990354
141d58b5b2
15131a8610
hexc4c45f8

206325240 has 64 divisors (see below), whose sum is σ = 675250560. Its totient is φ = 50017920.

The previous prime is 206325239. The next prime is 206325247. The reversal of 206325240 is 42523602.

It is a super-2 number, since 2×2063252402 = 85140209322115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 206325240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206325247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 76834 + ... + 79473.

It is an arithmetic number, because the mean of its divisors is an integer number (10550790).

Almost surely, 2206325240 is an apocalyptic number.

206325240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206325240 is an abundant number, since it is smaller than the sum of its proper divisors (468925320).

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

206325240 is a wasteful number, since it uses less digits than its factorization.

206325240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156332 (or 156328 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 206325240 is about 14364.0258980552. The cubic root of 206325240 is about 590.9047117768.

Adding to 206325240 its reverse (42523602), we get a palindrome (248848842).

The spelling of 206325240 in words is "two hundred six million, three hundred twenty-five thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 440 660 1320 156307 312614 468921 625228 781535 937842 1250456 1563070 1719377 1875684 2344605 3126140 3438754 3751368 4689210 5158131 6252280 6877508 8596885 9378420 10316262 13755016 17193770 18756840 20632524 25790655 34387540 41265048 51581310 68775080 103162620 206325240