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102065055 = 3519379679
BaseRepresentation
bin1100001010101…
…10001110011111
321010001102221020
412011112032133
5202112040210
614043335223
72346352521
oct605261637
9233042836
10102065055
1152681a94
122a221513
13181b7731
14d7aba11
158e61770
hex615639f

102065055 has 32 divisors (see below), whose sum is σ = 176563200. Its totient is φ = 50170752.

The previous prime is 102065039. The next prime is 102065057. The reversal of 102065055 is 550560201.

It is not a de Polignac number, because 102065055 - 24 = 102065039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102065057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5706 + ... + 15384.

It is an arithmetic number, because the mean of its divisors is an integer number (5517600).

Almost surely, 2102065055 is an apocalyptic number.

102065055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102065055 is a deficient number, since it is larger than the sum of its proper divisors (74498145).

102065055 is a wasteful number, since it uses less digits than its factorization.

102065055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9743.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 102065055 is about 10102.7251274099. The cubic root of 102065055 is about 467.3321845177.

The spelling of 102065055 in words is "one hundred two million, sixty-five thousand, fifty-five".

Divisors: 1 3 5 15 19 37 57 95 111 185 285 555 703 2109 3515 9679 10545 29037 48395 145185 183901 358123 551703 919505 1074369 1790615 2758515 5371845 6804337 20413011 34021685 102065055