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20073200 = 2452767107
BaseRepresentation
bin100110010010…
…0101011110000
31101202211020212
41030210223300
520114320300
61554123252
7332422310
oct114445360
941684225
1020073200
1110370324
126880528
13420a844
142947440
151b67935
hex1324af0

20073200 has 120 divisors (see below), whose sum is σ = 56460672. Its totient is φ = 6716160.

The previous prime is 20073199. The next prime is 20073211. The reversal of 20073200 is 237002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187547 + ... + 187653.

Almost surely, 220073200 is an apocalyptic number.

20073200 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 20073200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28230336).

20073200 is an abundant number, since it is smaller than the sum of its proper divisors (36387472).

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

20073200 is a wasteful number, since it uses less digits than its factorization.

20073200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 20073200 is about 4480.3124891016. The cubic root of 20073200 is about 271.7725174143.

The spelling of 20073200 in words is "twenty million, seventy-three thousand, two hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 67 70 80 100 107 112 134 140 175 200 214 268 280 335 350 400 428 469 535 536 560 670 700 749 856 938 1070 1072 1340 1400 1498 1675 1712 1876 2140 2345 2675 2680 2800 2996 3350 3745 3752 4280 4690 5350 5360 5992 6700 7169 7490 7504 8560 9380 10700 11725 11984 13400 14338 14980 18725 18760 21400 23450 26800 28676 29960 35845 37450 37520 42800 46900 50183 57352 59920 71690 74900 93800 100366 114704 143380 149800 179225 187600 200732 250915 286760 299600 358450 401464 501830 573520 716900 802928 1003660 1254575 1433800 2007320 2509150 2867600 4014640 5018300 10036600 20073200