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120755200 = 210525389
BaseRepresentation
bin1110011001010…
…01010000000000
322102012222222211
413030221100000
5221403131300
615552111504
72664254656
oct714512000
9272188884
10120755200
1162188195
1234535594
131c02c8a7
1412074dd6
15a9044ba
hex7329400

120755200 has 132 divisors (see below), whose sum is σ = 308401020. Its totient is φ = 46858240.

The previous prime is 120755191. The next prime is 120755207. The reversal of 120755200 is 2557021.

It can be written as a sum of positive squares in 6 ways, for example, as 4460544 + 116294656 = 2112^2 + 10784^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120755207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1356756 + ... + 1356844.

Almost surely, 2120755200 is an apocalyptic number.

120755200 is a gapful number since it is divisible by the number (10) 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 120755200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154200510).

120755200 is an abundant number, since it is smaller than the sum of its proper divisors (187645820).

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

120755200 is an equidigital number, since it uses as much as digits as its factorization.

120755200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 120755200 is about 10988.8670935634. The cubic root of 120755200 is about 494.2749648025.

The spelling of 120755200 in words is "one hundred twenty million, seven hundred fifty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 53 64 80 89 100 106 128 160 178 200 212 256 265 320 356 400 424 445 512 530 640 712 800 848 890 1024 1060 1280 1325 1424 1600 1696 1780 2120 2225 2560 2650 2848 3200 3392 3560 4240 4450 4717 5120 5300 5696 6400 6784 7120 8480 8900 9434 10600 11392 12800 13568 14240 16960 17800 18868 21200 22784 23585 25600 27136 28480 33920 35600 37736 42400 45568 47170 54272 56960 67840 71200 75472 84800 91136 94340 113920 117925 135680 142400 150944 169600 188680 227840 235850 271360 284800 301888 339200 377360 455680 471700 569600 603776 678400 754720 943400 1139200 1207552 1356800 1509440 1886800 2278400 2415104 3018880 3773600 4830208 6037760 7547200 12075520 15094400 24151040 30188800 60377600 120755200