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55814280 = 2335465119
BaseRepresentation
bin1101010011101…
…0100010001000
310220000122210120
43110322202020
5103242024110
65312143240
71245261564
oct324724210
9126018716
1055814280
1129562105
1216837b20
13b742a02
1475ac6a4
154d77870
hex353a888

55814280 has 32 divisors (see below), whose sum is σ = 167443200. Its totient is φ = 14883776.

The previous prime is 55814233. The next prime is 55814287. The reversal of 55814280 is 8241855.

It is not an unprimeable number, because it can be changed into a prime (55814287) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 232440 + ... + 232679.

It is an arithmetic number, because the mean of its divisors is an integer number (5232600).

Almost surely, 255814280 is an apocalyptic number.

It is an amenable number.

55814280 is an abundant number, since it is smaller than the sum of its proper divisors (111628920).

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

55814280 is a wasteful number, since it uses less digits than its factorization.

55814280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465133 (or 465129 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 55814280 is about 7470.8955286498. The cubic root of 55814280 is about 382.1628281657.

The spelling of 55814280 in words is "fifty-five million, eight hundred fourteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 465119 930238 1395357 1860476 2325595 2790714 3720952 4651190 5581428 6976785 9302380 11162856 13953570 18604760 27907140 55814280