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242404200 = 233252134669
BaseRepresentation
bin11100111001011…
…00101101101000
3121220010102001100
432130230231220
5444023413300
640015321400
76002254533
oct1634545550
9556112040
10242404200
11114915955
1269220260
133b2b324c
142429da1a
1516433700
hexe72cb68

242404200 has 72 divisors (see below), whose sum is σ = 814080150. Its totient is φ = 64640640.

The previous prime is 242404193. The next prime is 242404237. The reversal of 242404200 is 2404242.

242404200 is a `hidden beast` number, since 2 + 4 + 240 + 420 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 228070404 + 14333796 = 15102^2 + 3786^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65535 + ... + 69134.

Almost surely, 2242404200 is an apocalyptic number.

242404200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242404200 is an abundant number, since it is smaller than the sum of its proper divisors (571675950).

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

242404200 is a wasteful number, since it uses less digits than its factorization.

242404200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134691 (or 134679 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 242404200 is about 15569.3352459249. The cubic root of 242404200 is about 623.5147237900.

Adding to 242404200 its reverse (2404242), we get a palindrome (244808442).

The spelling of 242404200 in words is "two hundred forty-two million, four hundred four thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 134669 269338 404007 538676 673345 808014 1077352 1212021 1346690 1616028 2020035 2424042 2693380 3232056 3366725 4040070 4848084 5386760 6060105 6733450 8080140 9696168 10100175 12120210 13466900 16160280 20200350 24240420 26933800 30300525 40400700 48480840 60601050 80801400 121202100 242404200