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54380800 = 285229293
BaseRepresentation
bin1100111101110…
…0100100000000
310210022211102201
43033130210000
5102410141200
65221322544
71230141415
oct317344400
9123284381
1054380800
1128773111
1216266454
13b3603b6
14731810c
154b92c6a
hex33dc900

54380800 has 108 divisors (see below), whose sum is σ = 139717620. Its totient is φ = 20930560.

The previous prime is 54380791. The next prime is 54380827. The reversal of 54380800 is 808345.

It can be written as a sum of positive squares in 6 ways, for example, as 1149184 + 53231616 = 1072^2 + 7296^2 .

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 11 ways as a sum of consecutive naturals, for example, 185454 + ... + 185746.

Almost surely, 254380800 is an apocalyptic number.

54380800 is a gapful number since it is divisible by the number (50) 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 54380800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69858810).

54380800 is an abundant number, since it is smaller than the sum of its proper divisors (85336820).

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

54380800 is a wasteful number, since it uses less digits than its factorization.

54380800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 54380800 is about 7374.3338682216. Note that the first 3 decimals coincide. The cubic root of 54380800 is about 378.8627123001.

The spelling of 54380800 in words is "fifty-four million, three hundred eighty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 64 80 100 116 128 145 160 200 232 256 290 293 320 400 464 580 586 640 725 800 928 1160 1172 1280 1450 1465 1600 1856 2320 2344 2900 2930 3200 3712 4640 4688 5800 5860 6400 7325 7424 8497 9280 9376 11600 11720 14650 16994 18560 18752 23200 23440 29300 33988 37120 37504 42485 46400 46880 58600 67976 75008 84970 92800 93760 117200 135952 169940 185600 187520 212425 234400 271904 339880 375040 424850 468800 543808 679760 849700 937600 1087616 1359520 1699400 1875200 2175232 2719040 3398800 5438080 6797600 10876160 13595200 27190400 54380800