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242591200 = 25522631153
BaseRepresentation
bin11100111010110…
…10010111100000
3121220110220120021
432131122113200
5444100404300
640023323224
76003663655
oct1635322740
9556426507
10242591200
11114a333a5
12692b0514
133b34a3b7
142430bc2c
151646dd1a
hexe75a5e0

242591200 has 72 divisors (see below), whose sum is σ = 594993168. Its totient is φ = 96583680.

The previous prime is 242591197. The next prime is 242591227. The reversal of 242591200 is 2195242.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 209824 + ... + 210976.

It is an arithmetic number, because the mean of its divisors is an integer number (8263794).

Almost surely, 2242591200 is an apocalyptic number.

242591200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242591200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297496584).

242591200 is an abundant number, since it is smaller than the sum of its proper divisors (352401968).

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

242591200 is a wasteful number, since it uses less digits than its factorization.

242591200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 242591200 is about 15575.3394826565. The cubic root of 242591200 is about 623.6750170573.

The spelling of 242591200 in words is "two hundred forty-two million, five hundred ninety-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 263 400 526 800 1052 1153 1315 2104 2306 2630 4208 4612 5260 5765 6575 8416 9224 10520 11530 13150 18448 21040 23060 26300 28825 36896 42080 46120 52600 57650 92240 105200 115300 184480 210400 230600 303239 461200 606478 922400 1212956 1516195 2425912 3032390 4851824 6064780 7580975 9703648 12129560 15161950 24259120 30323900 48518240 60647800 121295600 242591200