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1208306055 = 351134920983
BaseRepresentation
bin100100000000101…
…0100100110000111
310010012122022022010
41020001110212013
54433311243210
6315522105303
741641301115
oct11001244607
93105568263
101208306055
1157006a250
122987ab233
13163441cc8
14b6692ab5
157112b920
hex48054987

1208306055 has 32 divisors (see below), whose sum is σ = 2115187200. Its totient is φ = 584138880.

The previous prime is 1208306023. The next prime is 1208306119. The reversal of 1208306055 is 5506038021.

It is not a de Polignac number, because 1208306055 - 25 = 1208306023 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 47094 + ... + 68076.

It is an arithmetic number, because the mean of its divisors is an integer number (66099600).

Almost surely, 21208306055 is an apocalyptic number.

1208306055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1208306055 is a deficient number, since it is larger than the sum of its proper divisors (906881145).

1208306055 is a wasteful number, since it uses less digits than its factorization.

1208306055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21351.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1208306055 is about 34760.6969866831. The cubic root of 1208306055 is about 1065.1047396382.

The spelling of 1208306055 in words is "one billion, two hundred eight million, three hundred six thousand, fifty-five".

Divisors: 1 3 5 11 15 33 55 165 349 1047 1745 3839 5235 11517 19195 20983 57585 62949 104915 230813 314745 692439 1154065 3462195 7323067 21969201 36615335 80553737 109846005 241661211 402768685 1208306055