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242040000 = 263542017
BaseRepresentation
bin11100110110100…
…11110011000000
3121212102220110110
432123103303000
5443430240000
640003431320
75666206656
oct1633236300
9555386413
10242040000
11114697264
1269085540
133b1b6547
1424206dd6
15163b0850
hexe6d3cc0

242040000 has 140 divisors (see below), whose sum is σ = 800637464. Its totient is φ = 64512000.

The previous prime is 242039969. The next prime is 242040023. The reversal of 242040000 is 40242.

242040000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118992 + ... + 121008.

Almost surely, 2242040000 is an apocalyptic number.

242040000 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 242040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400318732).

242040000 is an abundant number, since it is smaller than the sum of its proper divisors (558597464).

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

242040000 is an equidigital number, since it uses as much as digits as its factorization.

242040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 242040000 is about 15557.6347816755. The cubic root of 242040000 is about 623.2023008688.

Adding to 242040000 its reverse (40242), we get a palindrome (242080242).

The spelling of 242040000 in words is "two hundred forty-two million, forty thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 125 150 160 192 200 240 250 300 320 375 400 480 500 600 625 750 800 960 1000 1200 1250 1500 1600 1875 2000 2017 2400 2500 3000 3750 4000 4034 4800 5000 6000 6051 7500 8000 8068 10000 10085 12000 12102 15000 16136 20000 20170 24000 24204 30000 30255 32272 40000 40340 48408 50425 60000 60510 64544 80680 96816 100850 120000 121020 129088 151275 161360 193632 201700 242040 252125 302550 322720 387264 403400 484080 504250 605100 645440 756375 806800 968160 1008500 1210200 1260625 1512750 1613600 1936320 2017000 2420400 2521250 3025500 3227200 3781875 4034000 4840800 5042500 6051000 7563750 8068000 9681600 10085000 12102000 15127500 16136000 20170000 24204000 30255000 40340000 48408000 60510000 80680000 121020000 242040000