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105555055 = 5109193679
BaseRepresentation
bin1100100101010…
…10010001101111
321100121202022111
412102222101233
5204010230210
614250224451
72421126454
oct622522157
9240552274
10105555055
1154646091
122b425127
1318b3a118
141003982b
15940088a
hex64aa46f

105555055 has 8 divisors (see below), whose sum is σ = 127828800. Its totient is φ = 83668896.

The previous prime is 105555049. The next prime is 105555101. The reversal of 105555055 is 550555501.

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

It is a cyclic number.

It is not a de Polignac number, because 105555055 - 219 = 105030767 is a prime.

It is a super-2 number, since 2×1055550552 = 22283739272106050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96295 + ... + 97384.

It is an arithmetic number, because the mean of its divisors is an integer number (15978600).

Almost surely, 2105555055 is an apocalyptic number.

105555055 is a deficient number, since it is larger than the sum of its proper divisors (22273745).

105555055 is a wasteful number, since it uses less digits than its factorization.

105555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193793.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 105555055 is about 10273.9989780027. The cubic root of 105555055 is about 472.5992326318.

The spelling of 105555055 in words is "one hundred five million, five hundred fifty-five thousand, fifty-five".

Divisors: 1 5 109 545 193679 968395 21111011 105555055