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55302800 = 2452719751
BaseRepresentation
bin1101001011110…
…1101010010000
310212001200011212
43102331222100
5103124142200
65253155252
71241031440
oct322755220
9125050155
1055302800
11292428a3
121662bb28
13b5c3c67
1474b8120
154cc6035
hex34bda90

55302800 has 60 divisors (see below), whose sum is σ = 151853376. Its totient is φ = 18960000.

The previous prime is 55302781. The next prime is 55302811. The reversal of 55302800 is 820355.

55302800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7076 + ... + 12675.

Almost surely, 255302800 is an apocalyptic number.

55302800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55302800 is an abundant number, since it is smaller than the sum of its proper divisors (96550576).

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

55302800 is a wasteful number, since it uses less digits than its factorization.

55302800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19776 (or 19765 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55302800 is about 7436.5852378629. The cubic root of 55302800 is about 380.9918686250.

The spelling of 55302800 in words is "fifty-five million, three hundred two thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 35 40 50 56 70 80 100 112 140 175 200 280 350 400 560 700 1400 2800 19751 39502 79004 98755 138257 158008 197510 276514 316016 395020 493775 553028 691285 790040 987550 1106056 1382570 1580080 1975100 2212112 2765140 3456425 3950200 5530280 6912850 7900400 11060560 13825700 27651400 55302800