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55828030 = 255582803
BaseRepresentation
bin1101010011110…
…1111000111110
310220001100122211
43110331320332
5103242444110
65312331034
71245346636
oct324757076
9126040584
1055828030
1129571475
1216843a7a
13b74904b
1475b36c6
154d7b98a
hex353de3e

55828030 has 8 divisors (see below), whose sum is σ = 100490472. Its totient is φ = 22331208.

The previous prime is 55828021. The next prime is 55828033. The reversal of 55828030 is 3082855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55827983 and 55828001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55828033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2791392 + ... + 2791411.

It is an arithmetic number, because the mean of its divisors is an integer number (12561309).

Almost surely, 255828030 is an apocalyptic number.

55828030 is a deficient number, since it is larger than the sum of its proper divisors (44662442).

55828030 is a wasteful number, since it uses less digits than its factorization.

55828030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5582810.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 55828030 is about 7471.8157097188. The cubic root of 55828030 is about 382.1942078738.

The spelling of 55828030 in words is "fifty-five million, eight hundred twenty-eight thousand, thirty".

Divisors: 1 2 5 10 5582803 11165606 27914015 55828030